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ACCESSORIES AND COMPONENTS AT OLYMPIA.

Brief Details of the Outstanding Exhibits, Amongst Which are Many New Devices as well as a Host of Standard Products.

ALLEN-LIVERSIDGE, LTD.

Stand 171

THIS company have lately become the sole concessionnaires for the sale of the well-known E.C.L. cast-aluminium lamps, of both electric and -acetylen4 types, including the popular self-contained lamp in which lamp and generator are combined in a unit. These, together with A.L cast-aluminium lamps, provide a useful range of lighting appara.tus from which the user has a wide choice.

Both the A-L and the E.C.L. lamps are suitable for use either with a generator or with dissolved acetylene in cylinders, and examples of each type are exhibited on the company's stand, where A-IA dual-purpose headlamps will also he on view. The last-named are so designed that each _lamp is suitable, with a slight modification, for either electric or acetylene lighting. This particular lamp is also fitted with, the A-L focus headlight attachment as standard, of which demonstrations can be arranged on the stand.

ANGLO-AMERICAN OIL CO., LTD.

Stand 180

AS usual, the stand of the AngloAmerican Oil Co., Ltd., contains much of interest to all users of motor spirit. The Golden Pump is well to the fore, and both the one-gallon and five-gallon models can be relied upon implicitly to deliver the exact amount of apirit required. Another interesting accessory to be seen is the Depth O'Meter, which is a simple device enabling the user of a fuel pump to ascertain exactly how much spirit is contained in the underground tank.

All those who handle oil in large quantities should give their attention to the quart lubricating-oil barrel outfit which is shown, for it is an excellent labour-saving appliance.

ANGUS AND CO., LTD. Stand 223 NTEWCOMERS ty the exhibition, .111 this company—who are now operating three separate factories—have assembled several items of interest to the motor trade, amongst which Telemite brake lining will command re spect, This is produced on the company's patented looms and possesses a smooth and regular construction which ensures maximum surface contact with the brake drum. Examples of Dorite flexible universal joints are available for all makes of vehicle, and are shown alongside leather fan belts, clutch linings, etc.

ANTI-ATTRITION METAL CO., LTD. • Stand 210 10,1 ATENT Anti-Attrition bronze and

white-bronze specialities consisting of big-end • connecting-rod bearings, crankshaft bearings, gudgeon pin bushes, floating wheel bushes, worm wheels and all kinds of bushes and bearings and other wearing parts of motor chassis,' machined ready for fitting, and as castings only, occupy, the major portion of this company's stand. Certain space is also given over to a display of bushes and bearings die-cast in the company's patent " Motor " white bronze and bronze shells lined-up ready for fitting, as well as white-bronze in 4-lb. ingots and in 1-lb. strips.

AUSTER, LTD. Stand 169

WHILST most of the business of Auster, Ltd., is concerned with accessories and parts for touring cars, the company also supply front windshields for commercial models, and on their stand they show a complete range of such accessories for various types of vehicle, these being available in different dimensions. An item of special interest to bodybuilders is the exhibit of hoods and window and body fittings, upon the manufacture of which the cornpany have been engaged for many years.

AUTOMECHANICAL RECTIFIERS, LTD. Stand 60

ON the stand of this company are to be found "Specimens of the AkkEmmar auto-mechanical rectifier, which is for use on Ford chassis: It provides an alternative system of ignition and also utilizes the surplus energy Which is generated. The device can be readily attached to any type of Ford vehict_.. The Akk Emmar battery charger is also to the front ; this is an apparatus for enabling accumulators to be charged without the •use of a dynamo.

• AUTOMOTIVE PRODUCTS CO.

" Stand 131

MANY of the accessories and.components.of American manufacture for which this company are the sole concessionnaires in' thirl country are exhibited on their stand. They include such well-known products as Timken axles, Borg and Beck clutches, Lavine steering gears, Detroit gearboxes, and Continental engines, all of which are largely used throughout the motor

industry. •

Another component which should come under the notice of visitors to the Show is the Chubb roller universal joint, for it is claimed to overcome certain of the disadvantages attaching to universal joints of the mechanical pattern.

BATTERIES, LTD. Stand 147

THIS company's stand is given over to a display of Nife accumulators, which operate on the nickel-ironalkaline principle. The plates in these cells consist of a rolled-steel frame which supports finely perforated steel pockets in which the active material is contained. The active material of the positive plates is nickel hydroxide, and of the negative plates iron oxide. All the internal parts of the cell are autogenously welded. The cell containers are of steel and these, in conjunction with the all-steel plate construction, result in a very robust cell. Passenger vehicle users should not overlook the special batteries designed for bus lighting.

BECKETT, LAYCOCK AND WATKINSON, LTD. Stand 130

HERE is to be found a very -wide range of fittings which are of particular value to body builders and users of passenger vehicles. Beclawat allweather equipment for chars-a-bancs needs no introduction on our part, for it is widely used. The standard window marketed by the company for saloon buses is shown. as well As balance's, regulators, etc., for lights of various patterns. The cam lock window for buses is worthy of particular note because it enables the maximum

light to be ' obtained. The glass is housed, on its two edges, in light metal channels in the ease of small windows, whilst in these of larger dimensions it is covered entirely-by, a complete frame, to which are secured at their upper ends small catches. .

With the large increase in the number of motor vehicles now on the road, the new bumper introduced for motorcoaches should come under notice.

BRITISH BOCK BEARINGS, LTD.

OO this stand is to be seen a comprehensive range of the company's bearings, together with a stub axle suitable for front-wheel brakes fitted with their bearings. There is also a wormdriven rear axle in which British Bock bearings are used. Both exhibits are in section and show the method of assembly. S. F. BOWSER AND CO. Stand 161 AS suppliers of various types of equipment for the accurate measurement and -supply of motor spirit and lubricating oil, S. F. Bowser and Co., Inc., have achieved a worthy reputation. The company make a comprehensive display with ,their various types of pump, which are built in several sizes and intended for indoor and outdoor use. "In" addition, the company show a wheeled portable tank for petrol and a somewhat similar tank for dealing with lubricating oil.

There are also standard outfits for storing lubricating oil, these being cora"plete with pumps and marketed in 50gallon and 100-gallon sizes, as well as equipment complete with 2-25-galloncapacity tanks, each provided with a quart pump and mounted on a suitable trolley BRAMCO, LTD. Stand 216

F1RST and• foremost on this company's stand is an entirely new model of the Servis recorder, which is much smaller and neater than the model which is superseded, and, moreover, possesses a self-contained lock.

As is usual, the Warford six-speed auxiliary transmission for Ford chassis is prominently displayed, and that this equipment is giving satisfactory service is indicated by the fact that over 30,000 sets have been sold. A new four-speed auxiliary transmission, which , is sold under the same name, is also exhibited. Another new appliance on the stand is the Warford power take-off, which is designed for use with the Warford six-speed equipment.

Most of the accessories and components shown • are applicable to the Ford motor chassis or the Fordson tractor, and one which should attract notice is the Barton water pump, for it enables small communities and business establishments to possess a practical tire-engine at a relatively low cost. The pump is fitted in front of the radiator and can be supplied in various capacities. It is capable of throwing a 75-ft. head of water.

BRITISH FIBRO ASBESTOS

PRODUCTS, LTD. Stand 217 rpHE friction material which is known I_ as Fibrent is manufactured solely by the British Fibro Asbestos Products, Ltd., and made from pure asbestos fibre interwoven with fine-gauge brass wire. The process of weaving produces a tightly and neatly woven fabric free from

1)58 flaws and hollows. It is specially impregnated to rensler its nature solid and durable. FrEm the display which ir made on the company's stand it will be seen that the fabric can be supplied in almost any width and thickness.

BRITISH OIL AND TURPENTINE CORPORATION, LTD. Stand 142

AS manufacturers of Speedwell lubricants this company stage a full range of motor oils. They are also exhibiting Speedwell Crimsangere, which is a lubricant for chains, hubs, gearboxes, etc., posaeersing good clinging properties. It 'is-Conitaiiently put up in collapsable fillies. • The exhibit is completed by several bulk -storage tanks and a (3..1-1, Gale indicator for use with high-speed engines.

BRITISH PETROLEUM' CO.; LTD. • Sand 127

B.P. motor spirit and other' products of this company are shown here, the various grades being represented by the packages in which they are marketed. A selection of fuels for various purposes, such as T.V.O. (tractor vaporizing oil) and heavy and light oils for Diesel and semi-Diesel engines, are also arranged on the stand.

BRITISH THOMSON-HOUSTON CO., LTD. Stand 134 XAGNETOS are largely in eviffidence on this company's stand, although impulse starters, automatic ignition timing devices, Fabroil silent timing gears, etc., are also well to the fore. The company's polar inductor magnetos

are made in four types, all of which are of a new .design incorporating a rotary magnetic field and stationary. armature. The C.E. magneto is made in sizes for 4, 6 and 8-cyliuder engines. The other types embody many of its features, but differ Slightly in construction and in the arrangement of the magnetic circuit. The magnetos with rotating armatures are of tsto patterns, and both are similar in construction. The B.T.H. impulse, starter can be supplied as an integral part of certain typesof the company's magneto.

CAR AND GENERAL INSURANCE

CORPORATION, LTD. Stand 186 spHE subject of insuranee is one in

whieh" all commercial. vehicle users should manifest direct-interest, and if they need any information on the subject -they should mak a: call at this stand, where prospectuses and policies can be examined'and other matter relative to insurance obtained. The company have had'considerable experience in connection with the insurance of all types of motor vehicle which they have

undertaken for many years. ' CAPE ASBESTOS CO., LTD.

Stand 9

CAPASCO is the trade name under which, the asbestos brake and clutch facings produced .by this company" are sold. The foundation of this particular facing is blue asbestos; or Crocidelite, which is mined in Cape Colony. This is mixed with a carefully calculated proportion of long white asbestos and interwoven with brass wire, the whole being impregnated , with heat-resisting

material. • With the advent of the winter months radiator covers will be largely used, and those of the asbestos kind which are on this stand are worthy of Close inspection.

BROWN BROS., LTD. Stand 172 ALL sorts of accessories and components are staged on the stand 'of this well-established company. Amongst those possessing a special significance for the commercial motor user, we can mention Ferodo friction linings, Whittle belting, Coventry and Hans Renoid chains, Pyrene fire extinguishers,. Parsons twin non-skids and Gabriel snubbers. A most comprehensive exhibit is concluded by a host of such useful devices as horns, grease guns, lamps,' pumps, valve lifters, wheel-pullers and general garage equipment and sundries. Duco is the trade name under which many of the company's accessories are sold.

DAVID BROWN AND SONS (HUDDERSFIELD), -LTD.

Stand 155

ONEalways associates the name of this company with all forms of gearing—and rightly so, for they have been established since 1860 and have had a most extensive experience in the pro

duction of high-efficiency gearing, particularly that of the worm description.

The merits of the DBS patent worm drive are too well known to need elaboration here. It is exhibited as a combination helical and worm drive with the object of showing the tooth action of the worm gear. The exhibit also comprises a selection of worms and worm wheels having the DBS patent form of tooth and thread for use in motor vehicle transmissions, together with hobs of the shank and bored types, and spur and bevel gears, having both straight and spiral teeth, which are suitable for camshafts, pump

gears, differentials and final drives. ' CLARKSON STEAM MOTORS.

Stand 151

HERE are shown specimens of _Lithe Clarkson patent thimble-tube boiler and firebox, which is specially designed for use on all types of steampropelled vehicle, including ordinary goods wagons, road rollers, rail coaches and also on such appliances as steam navvies.

CLAYTON WAGONS, LTD.

Stand 193

APART from showing in the vehicle section of the Exhibition, this wellknown Lincoln company are in occupation of a stand in the accessories and components section, where they have on view examples of the Rubury-Alford and Alder front-wheel brake, for which they are the sole selling agents. These units are supplied complete to many motor vehicle makers. The brake gear is embodied on the axle, the only connections to the chassis being the pull rods.

ROBERT W. COAN. LTD. Stand 165

CALL at this stand if you are interjested in aluminium castings, both sand and die, for the company have had many years' experience in the production of all classes of casting in this material, and their products are widely used in motor vehicle construction. The fittings and components of most interest to our readers include headlamps, chain covers, crankcases and carburetters, although others are on view.

The repair section of the company is represented by a useful series of exhibits indicating the class of work undertaken.

Number-plates are on exhibition in all shapes and conforming in every detail to official requirements, as well as hackney-carriage plates and step mats.

COCKER BROS., LTD. Stand 225 TANDARD laminated springs manufactured by this 'Sheffield company under a patented process in which all the plates are interchangeable are included in the exhibits on their stand. There is also an assortment of spare spring plates, spiral springs and overload springs as well as key steel and steel wire. A collection of fractures of steel from which the company's springs are produced will attract the attention of the metallurgically inclined.

CONNOLLY BROS.' (CURRIERS), LTD. Stand 152

UPHOLSTERY hides suitable for use in all types of public-service vehicle and, in a lesser degree, on goods carrying vehicles,, constitute the main exhibit on this stand. The hides which are shown are in all colours, grains and finishes to suit the most exacting taste. Other leathers used-by motor body builders, such as enamelled hides for hoods, strapping leather and clutch leathers, should not be missed by those interested in such goods.

COOPER, WEBB-JONES AND CO. Stand 63 MISTABLISHED so long ago as

4 1' 1790, this company are showing body fittings for the complete equipment of singleldeck and double-deck buses, motor coaches, lorries, etc. Amongst these are the Jackson patent char-a-banes hood fitting, which continues to be largeL■ used on the open

type coach ; ventilators and ventilator fittings of special patterns, and window devices. The various fittings are, in the main, of outstanding concern to body builders.

COOPER-STEWART ENGINEER ING CO., LTD. Stand. 148

TilIS company's products invariably make an attractive appeal at the heavy vehicle Exhibition, and no ex

ception is likely to occur this year, for their range of exhibits is certainly comprehensive. The Stewart speedometer, in various types, is certain to attract special notice, for it is built for work under arduous conditions.

Other exhibits on the stand include revolution counters, mechanical and electrical horns, bumpers, rear-view mirrors, vacuum-tank parts and a large variety of other useful equipment. Special reference should, perhaps, be made to the Cooper-Stewart car lock, which is a positive protection against theft, and is unique in construction.

CRANKLESS ENGINES, LTD.

Stand 222 visitors to the Show --are 1.12bound to be, drawn to this stand

by reason of the factan eightcylinder Michell crankiess petrol engine, sectionized and in motion,: is to be seen occupying nposition there. The unit is being driven at low speed by an electric motor, which enables the operation and essential features of the engine to be closely followed. A note should be made of the means by which the shaft of the engine is actuated by the pistons through the medium of the Slant and Michell bearing-slippers. The cylinders of this engine have a bore of 84 mm. and a stroke of 89 mm., the cylinder capacity per revolution being 242 cub. ins.; the R.A.C. rating is 35.1 h.p.

COVENTRY CHAIN CO., LTD.

Stand 47 THIS company have had a long association with the commercial vehicle industry, and apart from a range of chains of various types, they-have ou view Cork's spring clip transmission chain. V belts, features of which are their non-slipping and non-stretching properties.

COVENTRY RADIATOR CO., LTD. . Stand 146

CAST aluminium radiators built for use on a variety of well-known makes of commercial vehicle are well arrayed on this stand, and Ford users should not let the special models made for use on their vehicles escape their notice. The company's exhibit is coneluded by a collection of tubes, both brass and copper, in various sections, together with tanks, bonnets and various other parts used throughout the commercial vehicle industry.

CRESSWELL'S ASBESTOS CO., .

LTD. Stand 198

CHEKKO semi-metallic asbestos brake and clutch facings in various forms suitable for motor vehicles of every description figure -`prominently on the stand in the possession of this Bradford company. This friction material is made from Canadian asbestos and is guaranteed by the makers to be free from cotton adulteration. For this reason Messrs. Cresswell feel that they are justified in claiming it to be impossible for Chekko to burn out, since there is nothing in its composition which can burn.

DAVENPORT ACCESSORIES, LTD.

TILEA.GE recorders for all types of .1..V1commercial vehicle, which can be mounted on axle caps or driven from gearboxes and tailshafts form the chief exhibit on this stand. The company are also showing a range of petrol meters, kerbiide tramps, mirrors and other useful accessories,as well as Apex electrical horns, for which the company hold the agency in the south of England. Light van users who like to keep a record of the distances covered by their vehicles should make a point of inspecting the mileage,' recorders which are supplied for use on Ford and Morris 1-tonners.

W. B. DICK AND CO., .

LTD. Stand 54

ILO is the trade name under which the lubricating oils and greases for use on motor vehicles are sold by this company, and they display a wide range of their various grades. Many users experience difficulty in dealing with drums of oil, but they will not be faced with any trouble of this kind if they make use of the lb o drum cradle, which holds the drum at a convenient height from the ground ; examples of it are to be seen on the stand. The dram cradle sells at 1.0s. 6d., which includes cost of carriage.

Those users who are particularly anxious to see that their vehicles are properly attended to in the matter of lubrication should secure one or other of the booklets whichare on the stand, one of which includes a schedule showing the specific grade of oil to ace in all types of vehicle. W. II. DORMAN AND CO., LTD. Stand 207

THE fact that the Dorman engine is used on Teeny popular vehicles on the British market is sufficient in itself to lead many visitors to inspect the range of power units to be seen here.

The actual exhibit comprises two, four and six-cylinder engines, and now that the subsidy scheme is attractingmuch notice many users will undoubtedly closely inspect the J.TJ. model, which meets official requirements. This unit has cylinders with a bore of 95 mm. and a stroke of 140 mm., and is built up as a unit with the four-speed Dorman-Dux gearbox.

Variousill7pes of gearbox, as well as. samples of cast-iron castings made by the company, serve to complete a comprehensive exhibit.

ALEXANDER DUCEHAM AND CO., LTD. Stand 38

WORKING models of the plant used in drilling for oil, and refining it to produce the well-known Adeol New Process motor lubricants constitute the principal features of this stand. They are to be seen in full operation, and certainly afford a good insight into the methods of an industry which is, perhaps, little known in this country. By cutting away the ground beneath the oilfield a formation of oilbearing strata is exposed, and the flow of oil and action of filling serve to produce an effective working model.

Prominence is also being given to various tests for motor lubricants, some being of a spectacular and others of a scientific character. Lubricants which are specially recommended for British light vans, such as the Trojan, Morris or Star, are displayed, as well as various forms of bulk-storage installation.

EAST LONDON RUBBER CO. Stand 154

THIS company handle a wide range of accessories for use on motor vehicles, as well as supplying lathes, stocks and dies and small tools and machinery. Their exhibit is representative of the class of equipment in which they deal.

EQUIPMENT AND ENGINEERING CO. Stand 60a

VISITORS who are interested in bus equipment should on no account miss the items on this stand, for here they will find illuthinated destination indicators, route number indicators, and side-window indieators operated by patent spiral gearing.

Another feature of the exhibit is the self-locking and noiseless, balanced drop window, a sectioned model of which certainly serves to give an idea of the full details of the method of suspension, locking device employed, etc.

D60 Golden Glow headlights also figure prominently on the stand, and these ate provided with reflectors of greenish: yellow tinted glass. Other accessories which should be noted are Simplex jacks, Moseley Float-on-Air cushions, Stopit window nioulding (which, as its name implies, is used for preventing the ingress of water), Webber patent body suspension fittings, ete..

ELECTRIC STEEL CASTINGS CO., LTD. Stand 213 MHIS company display on their stand a range of the Eseo Simplex road wheels for giant pneumatic tyres. The general. construction of this type of wheel can be clearly seen from our illustration, which also affords an. excellent idea of its 'strength. One of the features of this wheel is that it pro vides good facilities for mounting and &mounting the rims and tyres. The company specialize in the manufacture of axle casings, gearboxes and, in fact, steel castings of all descriptions.

A representative display of wheels for leading makes of Continental lorries is also shown, and those who inspect the exhibits in the vehicle section will note that the wheels on certain vehicles shown by the Saurer Co. and by the Swiss Locomotive Works are of this company's manufacture. The fact that such wheels are used on a vehicle of the calibre of the Sa.urer is sufficient proof of their merit.

ENGELBERT AND CO Stand 191

LUBOL motor oils and greases for every make of vehicle, together with various engine, cylinder and gear oils, constitute the chief exhibit here. he company, it is worthy of note, have for over half-a-century been concerned with the supply of lubricants for all purposes.

ELM STREET ENGINEERING WORKS. Stand 204

SUPAPHORD gear equipment as shown at previous • exhibitions occupies a prominent place on the stand of the Elm Street Engineering Co, Ltd., but the company also have their largely adopted extension frame and conversion outfit as applied to the Ford chassis on view, one being a chain-driven adapter for the standard chassis, and the other an extension frame for the ton truck. Both are shown fitted with the Supanhord gear.

EDMUNDS, WALKER AND CO., LTD. Stand 186

AS wholesale agents and contractors for steel balls and ball and roller bearings, this company have a wide range of well-known makes on view, these including those of Hoffmann, Timken, Skefko and Ransome and Marks manufacture. In addition, Brice piston rings, Bramec brake facings, and 'certain classes of machine tools of American make are displayed.

FERODO, LTD. • Stand 192

OF all the various friction materials on the market none is perhaps better known that that which is sold under the name of Ferodo, for material of this make has won considerable popularity and is largely used on light and heavy

commercial vehicles, This year the company's exhibit comprises bonded asbestos facings for brakes and clutches, patent die-pressed segments, fibre linings radially woven for cone elntehes, and adjustable brake shoes for Ford 1-tonners, sheets of bonded asbestos, etc.

For maintaiuing the resiliency of leaf springs, Ferodo interleaving material is recommended, and its value as a means of increasing their effective life is demonstrated by a working model.

F. IL EVE, LTD. Stand 176

IT has been the custom of this company to exhibit their patent universal motor-engine stand at several past Exhibitions, and this year it is again well to the fore on their stand. There is little question that such a stand is a very useful appliance in the repair shop or garage in so far as it enables a power unit to be readily inspected in any desired position. Its use, however, is not confined to engines, for gearboxes, back axles and other components' can be just as readily dealt with. The components can he fixed 5 ins, above or below centres, thus enabling weight to be equalized, and it is noteworthy that the stand can be rotated in eight different positions. Two models of the stand are available, one for 3-tanners being priced at In 10s., and the other for 5-tanners at £17 10s.'

GLACIER METAL CO., LTD.

Stand 141 A DISPLAY of Findlay's motor 21..metal, which is claimed to be specially suitable for metalling the bearings on heavy commercial vehicle power units, is made, on this stand, where a full range of Glacier metal, babbitt metal and other white-metal alloys are in evidence. Commercial vehicle bearings with bronze backs and lined with white metal dlso occupy space.

GLICO PETROLEUM, LTD.

Stand 157

MPTY spirit cans indicating the U4 manner in which the various grades of Glico motor spirit (Carburine Aviation Spirit, Carburine Motor Spirit and Glico Motor Spirit) are supplied, are arranged on this stand, where also are to be found models of the company's portable barrel pumps, road tank wagons and rail tank wagons. Those interested in demonstrations should make their way to this stand at certain periods of the day, when kerbside and portable barrel motor-spirit pumps are being shown in operation.

HADFIELD'S (MERTON), LTD.

• Stand 10

C1/AC11-PAINTING specialities are prominent amongst the comprehensive display which is to be seen on this company's stand, their various lines including grey paste surfacer, which is a filling of proved eXcellence under all drying conditions. Silvaline aluminium enamel, Heolin 'body and glaze coats, and a range of 48 artistic tints for motor vehicle painting.

HALL AND HALL. Stand 145

pROMINENT in the range of products of this company is Hallite motor jointing, which is suitable for making joints on every type of vehicle. The jointing is impregnated throughout with graphite, thus making the surface non-adhesive, with the result that if care be exercised when breaking a joint the same washer can be used over again. Other Hallite specialities include flange washers and rotary pump'

packing. In addition, packings for _ Sentinel, Foden and other types of steam wagon are shown.

47. T. HART AND SONS. Stand 59 TT ERE one can inspect a range of lcoloured upholstery leathers suitable for use on all types of passenger and goods vehicle. Enamelled hides for hoods and upholstery hides possessing antique and fancy grains are also on view.

THOMAS P. HEADLAND.

Stand 220

-LTAND tools of a wide range, suit able for use in the workshop or for carrying on a vehicle, are shown by this, exhibitor, and they include files, twist drills, stocks and dies, reamers, spbnners and vices. Samples of solid and cored chill-cast phosphor-bronze and white metals as manufactured by Fry's Metal Foundries, Ltd., for whom Messrs. Headland are the selling• agents in the south and east of -England, are also to be seen alongside various standard rmakes of petrol tap, compression tap, lubricator, greaser, etc. Many steam-wagon users will be attracted by the Kneller patent tube expander, which

permits the tubes being expanded while the boiler of the vehicle is under steam pressure.

GEORGE HATCH, LTD. Stand 195.

THIS company have two stands in the Exhibition, that in the accessory section being given over to a display of stocks and dies, special garage tools, brass fittings, packings, etc., suitable for use in the maintenance and upkeep of petrol and steam vehicles, as well as a full range of tools suitable for engineers.

HILLS. Stand 57a

EXAMPLES of all types of regulalion cast-aluminium-lettered number plates, which can be made by the company's process in a few minutes, are in evidence On this stand. It is claimed that with a small stock of Hills solid east-aluminium symbols and blanks every type of plate is available. The company supply special jigs for the purpose.

HOBDELL, WAY AND CO., LTD.

Stand 179

FLEXIBLE hose sold under the name of Petro-flex forms the chief centre of attraction on this -stand to the .commercial vehicle user. This special form of hose has a three-in-one base, being composed, as it is, of many layers of indestructible oilproof lining, a special canvas protective covering and internal and external helical-wound

armouring. The lining is specially treated to resist the action of spirit and oils, and the canvas of which the outer wall is composed is fire and waterproof.

H. M. HOBSON, LTD. Stand 163

APART from a display of various .patterns of the well-known ClaudelHobson carburetter, there are to be seen on this stand sparking plugs, fabric spring shackles, fabric torque arms,

fabric engine mountings, etc. The Claudel-Hobson carburetter enjoys a great popularity, and in its latest form the power-jet instrument embodies the same principle as the Z diffuser-type with the addition of the power jet.

The various fabric specialities referred to are the products of the Delflex Corporation of America, for whom H. M. Hobson, Ltd., are the sole licensees and manufacturers for the United Kingdom and Colonies. Demonstrations of the fabric spring shackles will be given on the stand in order to show the principle of their use and construction.

HOFFMANN MANUFACTURING CO., LTD. Stand 160

IJOFFAIANN is a name which is respected by all engaged in the motor -industry, 'for the ball and roller bearings _which bear it have long since :won it sound reputation. A complete range of bearings is to he found on the -stand :occupied. by the makers; these being of the ball and roller types. Those who -are 'not merely concerned with the finished bearing will Undoubtedly' find in-' terest in the display of Steel balls-shown in various stages of manufacture. Quantities of Hoffmann magneto-type bearing", components • are also'. displayed to illustrate the interchangeability . of parts, as Well as in apparatus showing -the effect • of creep in loosely 'mounted

• bearings. HOLLINGS AND GUEST, LTD.

Stand 61

EVERAL models of this company's Ow-ell-known tyre presses, which are specially made for fixing and removing solid tyres of commercial vehicles, are shown on this stand, in addition to a set of motor-driven pumps which are suitable for driving presses. The No. 13 press is capable of dealing with heavy tyres and can 'be worked either by hand or power-driven pump. It is fitted-with

Itinway_ and lifting blocks, so that wheels cai be carried right into the

press. In 'adllition to' the standard presses of 150-ton and 200-ton pressure, the company now offer a new 50-ton press, and this is, to be seen on their stand. This model is of the four-column, steel-girder frame type, and although of light construction is extremely strong.

FRANK HOW AND CO., LTD.

Stand 189

IT is opportune that, at a period just before the opening of the Exhibition, Frank How. and Co., Ltd., should have instituted an interesting scheme whereby they offer to loan, free of cost, tank storage units in consideration of contracts placed for lubricating oil over a period of 12 'months. This fact is being widely broadcast from their stand, on which are displayed examples of their various 'grades of lubricating oil. The company are featuring their new super-oil—Trogon Aviation oil—and giving many demonstrations of practical oil testing.

HOYT METAL CO., LTD. Stand 158

THEHE keynote of this established company's stand is No. 11 Super-metal and the I.C.E. (internal-combustion-engine) brand of anti-friction metal, which have always been popular with both manufacturer and repairer. The name of Hoyt is prominently associated with the development of anti-friction metals, and No. 11 is said to possess a greater percentage of tin (over 92 per cent.) than other brands. I.C.E. metal is intended as an alternative to No. 11, where first cost is a prime consideration. It can be used for bearings on vehicles

of all types. "Hints on Lining Bearings" is the title of a little booklet which visitors to the stand can secure.

JONES AND SHIPMAN, LTD.

Stand 135

THIS company's stand is on the ground floor near the switch room, and on it is shown a complete range of J. and S. garage sets of valvereseating tools. The complete range is made up in eight different series with &lir seta to each, so that ample selection for all sizes and types of garage is available ; in addition, special sets can be built up to suit requirements.

The general garage set contains four valve cutters, six bushes, a large vice, six seating critters,' an 8-in. master handle, six pilots, a valve wrench, carbon tool for valves and carbon tool for seats. The combined remitter for truing 'valves and their seatings is also shown in many sizes, whilst auxiliary cutters for preventing pocketing of the valve are also to be seen. .T. and S. tools undoubtedly eliminate the imperfeetions of hand labour and enable reseating and refacing ;operations to be

• carried out in the'quiekest possible manner. Dill

KIRKSTALL FORGE, LTD.

Stand 202

IN America it is the custom for rixany popular commercial motor chassis to be assembled from units produced by specialists, and although in this country this plan is not in favour to any great extent, many motor manufacturers make use of Kirkstall axles in the construction of their machines. Their products have won a deserved reputation in the industry, and their latest types of front and rear axles are In evidence on the above stand. The actual exhibits consist of a front-wheel-brake axle suitable for a chassis carrying a 32-seater bus or coach bekly, another of the same type for smaller passenger vehicles, several worm-driven rear axles for vehicles of various load capacities, and a doublereduction rear axle for low-loading trolley-buses.

Kirkstall axles are drop-forged and supplied in 40-ton carbon steel or alloy steel which, with the one-piece design, gives considerable strength and safety.

LACE WEB SPRING CO., LTD.

Stand 30

MANY efforts have of late been made to secure the utmost comfort for passengers in public-iervice vehicles, and although mechanical improvements are undoubtedly contributing to this end, it is obvious that much reliance most continue to be placed on effective shock absorption by well-sprung seats. For this reason we feel that the patent Lace Web spring seats which are shown by this company should attract their fair share of attent:on. The seats are made in various types and sizes and, in some instances, incorporate properly sprung back rests. For particularly heavy work the dual seat is recommended. It is designed to do away with all canvas, hair or stuffing material, other than a• light layer of felt below the outer covering. A new light type of seat intended for use in all types of motorbuses should interest passenger vehicle owners.

LAKE AND ELLIOT, LTD.

Stand 162

JTACK'S for commercial service are shows on this stand alongside various classes of service equipment. The quickaction jack possesses features which eommend it for use if motor coaches fitted with giant pneumatic tyres have to be dealt with. The range of jacks is very comprehensive, and models arc available for use in all circumstances.

The company also exhibit steel castings and malleable-iron castings produced for components of commercial chassis.

IV. KNOTT AND SON, LTD.

Stand 128

li A MONGST the exhibits to be found on this stand are several stand

ard types of hydraulic tyre-fitting press, as well as various classes of hand and power pumps. The hydraulic presses are made in both light and heavy models, the former sells at £135 and the latter at i168. They are both of particularly strong construction and eminently suit able for use in garages and works.

The Air. on Wheels electric tyre pump will make special appeal to users of pneumatic-tyred vehicles. It consists of a two-cylinder vertical water-cooled compressor, which is driven through a

flexible coupling by a h.p. electric motor, complete with starter. It is a compact little machine and is of value DR2

for inflating giant tyres up to 150 lb. pressure, a task which it can tackle in less than five minutes.

LAYSTALL MOTOR ENGINEERING WORKS, LTD. , Stand 143

SAMPLES of special motor repairs comprise, in the main, the exhibit of this company. In the crankshaft exhibit are to be seen samples of balanced crankshafts for replacements, and special points worthy of mention are the balance, strengthened webs, oversize on the journals. Apart from specimens of cylinders reground, special de luxe lightweight cast-iron pistons are displayed. Repairs effected to scored cylinders under the Laystall process are also in evidence, and visitors to the stand will have their attention drawn to the fact that the bores of the cylinders are not enlarged by this method, so that the same Pistons can be used.

JOSEPH LUCAS, LTD. Stand 168 T IGILTINGr' equipment comprises the 1.1major portion of the exhibit of this Birmingham company. There are various types of lainp to suit all requirements.

The Lucas King of the Road hydraulic lifting jack should receive recognition, because it enables a heavy vehicle to be raised very quickly ; moreover, by depressing the release valve the lowering of the vehicle is accomplished with the utmost ease and expedition.

Of electric equipment there are lighting and starting sets, switchboxes, batteries and a full range of Lucas magnetos suitable for every type and make of engine.

MARKT AND CO. (LONDON), LTD.

. Stand 184 (IF the many devices on the market IL/for use in connectien with the Ford, very few of them can possess greater advantages than that of the Goss engine governor, for there is little question that a device of this kind prevents a vehicle from being badly driven, as is often the case when inexperienced • youths are in charge. The device is sold in this country by 14Iarkt and Co. (London), Ltd., who give it a prominent place on their stand in conjunction with Veeder hub odometers, Little Giant wheel-pullers and many Clarion foot bells. The last-named are flat in shape and are made in two -sixes; for use on steam wagons, electric trucks, etc. The Little Giant puller can be turned to account fot. a variety of purposes. MECHANICAL AND GENERAL INVENTIONS CO., LTD.

Stand 150

THE Controlograph is made on the Continent, and the sole concession-mires in this country are the above company, who exhibit the apparatus on their stand. This is claimed to be the only device which gives a combination of three records. The records are contained in a solid water-tight metal .case ; the clock runs for 36 hours, and by a toothed wheel moves a special paper disc showing a dial of 24 hours. The record by transmission is effected by a perforated needle marking a point every furlong, but the record by vibration is entirely independent of this, and thereby one obtains the great advantage that on the same disc, but by a different needle, the running of the vehicle and its stops, according to hour and duration, are recorded even if, and when, the transmission be not in use.

MIDGLEY CAR LIGHTING CO., LTD. Stand 153 rINE of the pioneers of automobile electrical equipment is Mr. A. H. Midgley, who is responsible for the design of M.C.L. equipment, of which a wide range is displayed on the stand of the above company. The actual exhibits on view include a special design of switchboard for use on commercial vehicles, which contains the ammeter, controls and junction box.

MILLER BROS. Stand 144

MANY users believe that the usefulness and range of operation of the Ford ton truck can be increased, without an appreciable difference in running expenses and cost of upkeep, by the use of an auxiliary gear, and one that is simple in construction and application is that sold by Messrs. Miller Bros., who display examples of the gear on their stand, as well as specimens of the Miller master brake, which is also designed for use on Fords. The gear is easily fitted.

HENRY MILLER AND CO.

Stand 224 A CCESSORIES which find a use on timost types of vehicle are to be found on this stand, these including horns, driving mirrors, lamps of various types, together with a range of the company's electrical equipment.

MODERN WHEEL DRIVE, LTD.

Stand 62 fIN this stand is to he seen a three%LI speed-and-reverse, oil-operated gearbox for use on rear-wheel-driven commercial vehicles. The lid of the box has been removed to permit of internal inspection. There is also on view a smaller gearbox than that already mentioned actually in operation in order to show the facility with which changes of gear can be effected.

MOTOR PISTONS, LTD. Stand 215 T T_IMINA sparking plugs incorporate Lnminite in their construction, which is made from rock crystal and constitutes the insulating medium, and examples of these -plugs occupy a central position on this stand. The insulator used in this type of plug is transparent and the plug is so made that the explosion can be seen, the colour thereof indicating the quality of the, mixture. NATIONAL BENZOLE CO., LTD.

Stand 190

IF users are concerned in any way with the use of benzoic and require information regarding the means of procedure to obtain the utmost efficiency they should make a point of calling at this stand. National Benzoic mixture, National Benzoic, and N.13.C. lubricants, oils and greases form the backbone of the company's business, but the mechanical pump 3 which they sell for the quick delivery of motor spirit should came under the notice of commercial vehicle owners, particularly of fleet owners.

R. D. NICOL AND CO., LTD.

Stand 183

DRAGONFLY motor lubricants, put up in barrels, drums, decorated tins, collapsable tubes and other forms, are set out on this stand and should undoubtedly command attention by reason of the fact that an electrically operated globe advocating the use of this particular brand of oil serves as a magnet for attracting visitors. The company also exhibit a useful range of gear oils, cylinder oils and machine oils, alongside grades of Marveloil, which is an upper-cylinder lubricant.

(MUNE REFINING CO. Stand 247

SPECIAL Oiline aeidless-treated motor oils are shown on this stand, together with a special gear compound. The Oiline oil pump is being demonstrated to visitors to the stand, who will be able to see the manner in which it transfers the gear compound direct from the steel drum to the gears.

J. AND R. VILDFIELD, LTD.

. Stand 166

DEPENDENCE paraffin burning I./lamps constitute one of the main products of this company, and they show a wide range, amongst which is a special type for commercial vehicle employment. Special features of the lamp are the unique system of ventilation and flame protection making the lamp almost hurricane-proof, the patent oil-well locking device and the spring-bracket at..tachment which enables road shocks to be absorbed. A 75-120-ft. beam is claimed for certain models. An array of Dependence mirrors is also shown.

THOMAS PARSONS AND SONS.

Stand 56

ADISPLAY of panels showing the . results obtained on bodies of motor vehicles by the use of a number of the Company's products occupy space here. Other specialities include antirust primers, which are for use on steel bodies to prevent flaking of paint, Motoline enamel and under-coating, and several grade § of varnish.

0.1). PETERS AND CO., LTD.

Stand 53 (NE the number of specialities which Ware shown by this company, bodybuilders in particular will be attracted by Sundeala and Agazote body panelling and roofing, which displace the ordinary woodwork and are claimed to possess many advantages over it for certain forme of panelling. Apart from these products. various types of seat for use on public-service and goods vehicles are to be seen, as well as a number of fittings, such as blinds and frameless balanced lights especially designed for use on passenger-carrying vehicles. A demonstration of the Wilson plastic arc system of electric welding will be given upon the request of any visitor.

PINCHIN, JOHNSON AND CO., LTD. Stand 65

THE results obtained by the Gripo1oid celluloid process for finishing bodies can be clearly seen by the speciinens exhibited on this stand, where., panels show the class of finish which is secured.

PLANTE ACCUMULATOREN

FABRIK. Stand 58 XHIBITED on this stand is a U large range of batteries of many types for starting and lighting apparatus, and plates of a new type which are protected by patent.

PROVIDENT ACCIDENT AND WHITE CROSS INSURANCE CO., LTD. Stand 55

ALL classes of insurance in connection with motor vehicles are undertaken by this company, who have on this stand prospectuses dealing with Policies to cover different types of risk.

QUICETHO, LTD. Stand 39 M WO models of window regulator, types QT and XL, figure on this company's stand, where model doors showing the fittings in actual operation are also on view. This type of window can be locked in any desired position by special worm-gear mechanism.

• NORTII AND SONS, LTD. Stand 199

A SSEMBLE.D on this stand one finds Zia range of magnetos for various types of engine. The model E.0.6 is specifically designed for use on sixcylinder units. • Then •there are other • models—F. 4, N.H. 4 and E.L. 4—all of which are for use on four-cylinder engines, the last-named being particularly designed for heavy work on thelargest units.

• The company's speedometer is a wellknown accessory and is fitted with a total mileage counter of 100,000, the trip mileage counter showing one-tenths if a mile up to 1,000. Examples of this model are shown ranged alongside Others specifically intended for use on the Ford. The mileage counter of the latter instrument records up to 10,000, and is driven from a front wheel. RANSOME AND MARLES • BEARING CO., LTD. Stand 182

HIGH-CLASS ball and roller bearings of various types are to be seen on this stand, together with various sections demonstrating the particular features of R. and M. bearings. Someof the outstanding typeS are the doublepurpose bearing, which is specially designed to carry combined journal and thrust loads in any proportion, the double-row ball bearing, which is of the rigid type . and line-shaft bearings, which are of the self-aligning roller type.

HANS RENOLD, LTD. Stand 170

WITH a frontage of 30 ft. and an ares. of 750 sq. ft. it is hardly likely that visitors to the gallery will miss the stand of this well-known Manchester company. It is well stocked with a complete range of the company's various forms of auxiliary drives, including inverted-tooth chains • for camshaft drives and bush roller chains for final drives. Much interest will undoubtedly be centred in the replica of a camshaft drive which has completed a mileage of 137,000.

REVILL AND SON. Stand 127a

INDESTRUCTIBLE number plates of solid aluminium characters riveted to On. stove-enamelled steel back plates by four, and, in some cases, five spigots,

size, form the exhibit of this company. Their product is quite new and the number plates will be seen to be identical in appearance to those of aluminium. The company claim to be the pioneers of the riveted process of manufacturing number plates.

RIPAULTS, LTD. Stand 209

ATAKING its bow to the public for _LVJ_the first time, the new patent hubcap odometer shown by Ripaults, Ltd., will certainly catch the eye of many of those users who are concerned with keeping a check on the running of their vehicles for it possesses a number of exclusive features. The instrument is known as the Ohmer odometer and, although it is of simple and strong construction, it is so built that it cannot be tampered with. It simply replaces the existing hub-cap and records up to 100,000 miles, the mileage being added whether the vehicle be moving in the forward or reverse direction.

The company have produced a moat useful form on which can be recorded with a minimum of trouble the records provided each day by the odometer. This, in itself, will go a long way towards helping users to secure and maintain correct records of transportation costs.

ROTAX (MOTOR ACCESSORIES), LTD. Stand 167

T IGHTING and starting equipment 1/figures prominently on this stand in the company of general accessories for buses, lorries and other types of passenger and goods vehicle. The company's dynamos are arranged for fixing in various positions and for different methods of drive. Amongst the various models of switchboard is a new type for use on interior-drive buses. The company have a range of head, side and tail lamps on exhibition, the bodies of these being of solid aluminium.

ROBINHOOD ENGINEERING WORKS, LTD. Stand 156

ON this stand commercial users will have their attention focused on the newest addition to the K.L.G. plug family. This is the model Li and is intended for use on business vehicles. In outward appearance and general design, the pIug is built on the lines of

the standard K.L.G. plugs, being of detachable construction and having a rustless body and gland nut. It possesses, however, a different form of insulated centre composed of small ridges of mien, each 1-16 in. above its fellow.

The standard range of K.L.G. plugs should not be overlooked, and Ford users should pay heed to the Merits of the model designed for their particular requirements; this is illustrated on this page.

RUDGE-WHITWORTH, LTD. • Stand 206

ANEW system for applying fourwheel brakes is one of the leading activities of this company. The method is known as SyndYnie operation. They also specialize in the manufacture of steel balls and ball bearings, which are made from special alloy chrome steel.

SCINTILLA, LTD. Stand 208

THE Scintilla magneto, of which many examples are displayed here, is based on the stationary armature principle. The magnet with the cam (the more robust part) rotates, and the delicate parts, such as the armature, condenser, contact breaker, safety spark gap and the distributing bushes, are stationary.

The Scintilla dynamo, which is of the 12-volt, four-pole type, is also on view, as is a starter of interesting design, the main features of the latter being the relay, and swinging gear.

SELF-SEALING RUBBER CO., LTD. Stand 129

THE Hermetic patent flexible fabric coupling discs are prominent on this stand, -although rubber pads for' pedal plates, radiator water joint tubing, delivery hose, tyre stopping and other tyre accessories are also included, The Hermetic discs are constructed of goodquality fabric of maximum tensile strength, intersected by layers of rubber, and specially moulded under great pressure.

SHEEPBRIDGE STOKES CENTRIFUGAL CASTINGS CO., LTD.

Stand 221

BY a visit to this stand it is possible to gain a good idea of the considerable advances made in the development of the process of casting metals cenfrifugally. An inspection of the exhibits on the stand will indicate how much farther the application of centrifugal castings has extended in recent years,

D64 and from the number of castings to be seen for cylinder liners for steam, internal-combustion and other engines, as well as comoressors and pumps, some idea of the variety of castings available can be obtained.

SHEFFIELD STEEL PRODUCTS, LTD. • . Stand -318 QTEEL STAMPINGS, LTD; are exIsabibiting under the above-title a large variety of sheet-steel pressings, consisting of disc wheels for giant pneumatic and solid rubber tyres, as well as brake drums and an assortment of vehicle . parts made from pressed SHELL-MEX, LTD. Stand 173 MIEATURING the Shell series Of motor lubricating oils, this company have a striking display. The oils are shown pouring in a continuous Elm over large plates of glass in order that a good impression may be obtained of the quality and purity of the various grades which are marketed for motor lubrication.

An oil storage tank fitted with a Pump is to be seen, whilst the Shell pump is exhibited in two forms, one being the well-known kerbside model and the other the wall type. There are various working models on the stand.

SILVERTOWN LUBRICANTS, LTD.

Stand 185

CHIEF interest on this stand will probably centre around a model of one of fin company's oil stills at Silvertown, but apart from this there are samples of lubricants displayed, as well as types of tank. Of the latter, one has a capacity of 250 gallons and is more suited to the requirements of the bulk user, whilst the other is a 50-gallon appliance, complete with pump, for smaller users.

SIMMS MOTOft UNITS (1920), LTD. Stand 226

YOU may not find time closely to inspect the comprehensive array of exhibits shown on this stand, but if you are interested in any way in electrical accessories and appliances a visit will be worth while, for the name of Simms is one ot repute in the motor industry. Apart from a range of high-tension

magnetos, dynamo couplings, magneto couplings and, in fact, flexible couplings for all purposes are on view. Then there are examples of the Hisvaylite lighting set. Simms cardan-shaft couplings should also command attention. These are made in two types, one known as the Super-flex is illustrated on this page, and the other is a pneumatic type; both are constructed from strongly reinforced rubber. SKEFKO BALL-BEARING CO., LTD. Stand 133 TN addition to a wide range of S.K.F. 'ball and roller bearings for generalpurpose use on commercial vehicles, here will be found a representative range of sizes of the S.K.F. self-aligning, doublerow ball bearings, a particularly suitable type for heavy hub applications. There are also cylindrical roller bearings of the type shown in the accompanying illustration, as well as deep-groove, singlerow ball bearings.

SM.ALL AND PARKES, LTD.

Stand 149

AS is well known, this company are manufacturers of the brake and clutch facings sold under the trade name of Don. This type of friction fabric is manufactured from asbestos yarn interwoven with fine-gauge brass wire, and the material is of a solid and cohesive nature, Many users will undoubtedly be interested in the patent anti-splash device which is exhibited.

SMITH'S STAMPING WORKS, LTD. Stand 177 • ROP forsings for use at various ▪ points in commercial vehicle chassis are well to the fore on this stand, where also is to be seen a full range of engine parts as produced in the Coventry works of the company. • SNOWDON, SONS AND CO., LTD. Stand 197

ROYAL Snowdrift lubricating oils ,and greases comprise the exhibit on this stand, a feature of which is a cascade of motor oil issuing from a barrel. All those interested in the subject of lubrication can obtain on application a booklet entitled" An Oil of Distinction."

STERNS, LTD. Stand 205 ElIONSTRATIONS of the work ing of the special Sternol purifier are being given on this stand, where a display of tanks and pumps should attract users. Then demonstrations are being given of Ambroleum, which, as a gear lubricant, has achieved considerable success. The special properties of Sentenol dual-purpose oil will be indicated to all* who pay a call at the stand. • STERLING METALS, LTD.

Stand 47a A COMPREHENSIVE range of cast21 lugs in iron and aluminium comprises the major portion of this company's exhibit, and special attention should be paid to the castings in Electron metal.

S. SMITH AND SONS (M.A.), LTD.

Stand 203

SEVERAL new accessories figure in the vast range of equipment which is shown by this company, and those who are particularly concerned with safe delving will be interested in the safety signal mirror which serves the additional purpose of a direction indicator. The device is controlled from the

driving seat by means of a neat switch; when one section of the arrow, which is borne by the mirror, is illuminated the intention of the driver to turn to the right or to the left is indicated. For the slow or stop signal, two arrows are simultaneously illuminated by application of the foot brake. The signal is also conveyed to the front of the mirror and Can be clearly seen by oncoming traffic and point-duty constables. The usual range of accessories for which the company have become justly famous should receive attention, these including speedometers, mileage recorders, windscreen wipers, lighting equipment, lamps of several patterns and a new range of mechanical pumps.

SOLEX, LTD. Stand 175

ANEW type of Solex carburetter which, although similar to previous types as regards its external characteristics, possesses one or two outstanding features, is given prominence on this stand. The throttle of this new instrument which is known as the M type, is of special design, and the auxiliary jet, instead of being in the nature, of a pilot, now functions throughout the full range of throttle movement.

The parts composing the latest Soles carburetter are most accessible, and the instrument is fitted with a filter and air strangler to ensure easy starting under all conditions.

SPECIALLOID, LTD. Stand 187 OPECIALLOM pistons are of regis tered design and the alloy of which they are composed will be slightly altered in the pistons to be marketed in the new season. Moreover, the company are also altering some of the methods of toatment which, we are told, effect improvements in actual use. In addition to this, they have a new method of finishing the Lands of the piston which ensures better results. These new features are in evidence on the range of pistons to he seen on this stand.

SPIRAL TUBE AND COMPONENTS CO. Stand 196

ON this stand is displayed a number of radiators which the company have constructed for some of the most promi

pent commercial-vehicle chassis manufacturers in the industry. All the tube plates in the company's-radiators are of brass, and, in their special design, a boss for each tube is provided. All tubes are solid-drawn brass or copper, and all the gills are soldered to the tube and doubletinned.

SPENBGROUGH ENGINEERING CO. Stand

FOR the first time this company are putting on the market, in conjunction with their Loudon representatives, the Blue Belle Transport Ltd., a new patent three-way tipping gear, of which an illustration is published on this page. This gear is constructed in a steel frame, mounted on two trunnions fitted to the chassis, and is designed in such a manner that should the chassis be distorted, owing to uneven ground, during unloading, the tipping gear does not bind and create friction, or interfere with the easy operation of the gearing. The gear is operated through a spur reduction on to a bevel drive, and the rotating bevel wheels lift the screws

through the centre of the wheels and thus the body is tipped. This is shown on the stand, together with a range of hand screw tipping wears, also two replacement cylinder Mocks.

JOHN THOMPSON MOTOR PRESSINGS, LTD. Stand 64

NOW that considerable, attention is being paid to the development and use of chassis with low load-line, particularly for bus work, there is little question that the new frames of various sections for bases, which have been especially designed to meet these new conditions, will attract much interest on this stand. Other specimens of framework are also in evidence, as well as pressed-steel dashboards and wings.

ILH.P. TWIST AND CO. Stand 66

g•MNIE of the many stands given over, 'UM the main, to a display of friction fabrics is that of this Bristol concern, whose fabrics are known and marketed under the trade-name of Top-Dog.

LEO SWAIN AND CO., LTD.

Stand 139

APART from solid tyres and giant pneumatics, driving chains anti sprockets, brake linings and a range of other equipment, Messrs. Swain have elected to give a prominent display with the Diehard compressor, the general construction of which can be akertained

from a picture on this page. This compressor compresses air to 2,000 lb. per sq. in, in three phases, each phase being water-cooled.

The type of cylinder which is used can be handled with convenience in so far as it is attached to a well-built trolley and can therefore, he wheeled with ease from place to place. It is claimed that one fully charged cylinder will inflate about 12 giant pneumatics, or 60 815 mm. by 105 rem. tyres from flat, before requiring recharging.

TECALEMIT, LTD. Stand 200

ASYSTEhf of high-pressure hibricaion which is now in much favour on all types of commercial vehicle is that known as the Tecalemit, largely because

it is. clean and efficient. The garage grease pumps for Tecalemit or Alemite high-pressure systems are of all-round usefulness. This type of pump has a capacity for 17 lb. of lubricant and its working pressure is 4,000 lb. per sq. in. The machine, of which an illustration appears on this page, will force grease into the tightest bearings and, being mounted on wheels, it can conveniently be taken to any part of the garage or workshop where its use is needed. The Tecalemit gun, which is fitted with a rigid extension, enables inaccessible parts readily to be reached. Apart from these exhibits the company are also showing petrol filters, self-sealing eonne.3tions and other parts.

The all-steel spring armour which prevents the ingress of dirt and water to spring assemblles should command attention, for it enables the leaves to be properly lubricated and thus work under the beer possible conditions. VACUUM OIL CO., LTD. Stand 194

F"petrol-driven commercial vehicles this company market two grades of Gargoyle lubricant, one being known as Mobiloil and the other as Mobilubricant.

A complete installation, consisting of a steel barrel, stillage frame and pump, for the bulk storage of Mobiloil are also on view. .

Specimens of a new mechanical lubricator, which is being marketed under the name of Delvac, will interest steamwagon owners. Visitors to the stand should make a point of getting copies of the various pamphlets comprising the Gargoyle Technical Series.

C. A. VANDERVELL AND CO., LTD. Stand 164

ON this stand there is a new range of constant-voltage dynamos for public-service vehicles with special switch-panels incorporating voltage regulators, cut-onts, fuses and all light

ing controls, as well as a range of batteries in which the C.A.V. patent threaded rubber plate insulation is embodied. The company's lamps designed for use on motor coaches, steam wagons, rail-cars and special farms of transport

vehicles are also displayed. Proprietary accessory fittings, including interior and inspection lamps, horns, switches and fitting materials are included in the make-up of the stand.

VENESTA, LTD. Stand 57

THIS company have devoted much of their stand to a special display of Plymax, which is a steel-coated plywood, and examples of tills speciality are to be seen in the two van sides on the stand, one being built of steel-coated Plyiriax and the other of aluminium-coated Plymax. The company's display includes a number of Venesta plywood dashboards and lining boards. There is also a number of exhibits indicating the possibilities a the material in connection with dashboard, door, partition and other forms of construction.

C. G. VOKES AND CO. Stand 159

INSTRUMENTS of importance which are exhibited here are the Proteetorneter and the Vacularm. The former is claimed to be something more than an air cleaner, for it excludes road-dust, sand, grit and dirt from the cartairetter and engine cylinders.

The Vacularm is an instrument which blows the horn when petrol is low and records the exact amount of petrol in the tank.

VILLIERS ENGINEERING CO., LTD. Stand 46

IN our issue of October 27th we published details of the new lighting set for lorries and steam wagons being sold by this company, and readers who were c34

interested in the details can closely examine a set if they call at this stand, where several generators and headlamps are to be seen.

C. C. WAKEFIELD AND CO., LTD.. Stand 174

THIS all-Britthh dompany show a complete range of Castrol oils and Mershol greases. They also have on exhibition the Wakefield patent ram grease-gun and junior canister, and a senior model of the same class, in conjunction with various makes of greasegun. The Wakefield patent locking drum-tap and the drum pump, as well as indoor and outdoor bulk-storage tanks. Ire featured. The revolving canopy barrel-cabinet, as used in conjunction with a 50-gallon steel barrel, merits close inspection.

WAYDICATOR, LTD. Stand 41

ALL those who have occasion to drive at night appreciate the difficulty of distinguishing the hand signals given by the driver of a big vehicle ahead, and Waydieator, Ltd, realizing this, have produced an adaptation of their signalling device which solves the problem, and examples of it are shown on the stand which they occupy. The original Waydicator made use of a hand with a pointing finger which, operated by a handle beside the driver, indicated the intention of the man at the wheel. The new invention places this hand over the rear light at the back of the vehicle, and when illuminated at night it is visible from a distance of 60 yds. The operation of the device is controlled as it was in its original form.

WELTN-HIGGINS TRADING CO., LTD. Stand 40

SAMPLES of Fabrikoid, which is a high-grade imitation leather cloth, as well as cork gasket material, are displayed here. The latter is intended to be used as a gasket between body and chassis. Specimens of Locktite braiding, the uses for which are indicated by the name, are also to the fore.

WELLWORTHY, LTD. Stand 212

AS most of our readers are probably aware, this company specialize in the manufacture of piston rings, and claim to have a weekly output of over 45,000. All their, rings are manufactured under a patent process. There is a considerable number of supergauge ground rings on the stand, this being a type generally used for internalcombustion engines by those makers to whom expense is a secondary consideration to that of efficienCy.

E. T. WHITE AND CO., LTD.

Stand 188

kN interesting range of components : and tools representative of those parts in which this company specialize are to be seen here, these including cylinder, crankcase and gearbox castings. Perlit is the new cast-iron which was shown by the company for the first time at the recent Motor Exhibition, and practical demonstrations of the comparative impact values of this material as against ordinary cast-iron are being given by the aid of a testing machine on the stand. Another exhibit is the -Vapour Oil heavy oil-burning device for adaptation on existing commercialvehicle engines.

WESTINGHOUSE BRAKE AND SAXBY SIGNAL CO., LTD.

Stand 45

THE Westinghouse system of power-braking is gaining considerable vogue on motor vehicles of all types, and it is noteworthy to recall that it is employed on the Karrier rigid six-wheeled bus which was described in our issue dated October 20th. Several of the exhibits are shown in operation and serve to demonstrate the effectiveness of this company's form of braking.

W. H. WILLCOX AND CO., LTD.

Stand 201 MI NGINEERS' supplies and sundries

A l' form a large portion of this company's business, and the various specialities which they supply for use on road vehicles of many types are ftlly in evidence. They have on view samples of high-grade oil in five qualities for petrol engines, as well as other grades intended for application to steam-propelled machines.

WILCOT (PARENT) CO.. LTD. .

Stand 44

TWO new lines have recently been introduced by this company, these being the Wefeo rigid non-drip oil pump And a patent Petrometer, and examples of bath appliances are to be seen. The former is, of course, intended for use on drums or barrels of oil, and it solves the problem of extracting the contents without any inconvenience or waste. The second instrument records the consumption of petrol and, incidentally, enables the contents of the tank to be obtained at any time in gallons and twentieth parts thereof. Other exhibits to be seen on this stand include the Bristol foot pump, which is made by Bristol Pneumatic Tools, Ltd.

ZENITH CARBURETTER CO..

LTD. Stand 214 TT ERE will be found a full range of _Lithe various types of Zenith carburetter which are suitable for use on commercial vehicles. Sectional models of various kinds are shown, and a feature is made of numerous examples of special types of carburetter. Then there are other carburetters and inlet pipes, enabling the Zenith carburetter to be easily fitted to such popular commercial vehicles as the Dennis, Thornycroft, Reo, Morris, etc. There is also an interesting service box containing nine main jets and nine compensating jets embracing most current sizes, together with a range of spanners and an assortment of washers.