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• THE COMMERCIAL MOTOR 3 anuary, 1014, PARAFFIN CARBURETTERS—LATHES—MAGNETOS.

January 1914, Page 80
January 1914
Page 80
Page 80, January 1914 — • THE COMMERCIAL MOTOR 3 anuary, 1014, PARAFFIN CARBURETTERS—LATHES—MAGNETOS.
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G. Davenport and Co., Ltd.

Head Office and Works: 101-105, Clerkenwell Road, London, E.G.

'Asia company manufactures and markets many classes of mechanically and electrically-operated recording instruments, and, in view of the increasing demand for these accessories, adapted to utility machines, Davenport's are giving particular attention to the requirements of the commercial-motor industry. One of the latest types of speedometers and distance recorders for which it is agent is the Robinson instrument. This is operated on the centrifugal principle, by which method, so tind the makers, possible variations of the recording mechanism likely to be set up during the working of the instrument under varying climatic conditions are obviated.

A particularly neat form of axle-cap odometer is another of the company's specialities; this type should be fitted to the hub cap of one' of the read wheels; it takes up very little room.

The lighting of the vehicle is also another consideration of this London house, and a varied assortment of acetylene lamps and generators is catalogued.

Davis Paraffin Carburetter Co.

Head Office and Works: Feltham, Middlesex, England.

To the user overseas, the passibility of being able to run machines on paraffin, tends much towards solving the fuel question, as this product can generally be obtained in all parts of the globe.

This company has for some considerable while directed its attention to the application of paraffin as a standard fuel, and markets a carburetter specially constructed for utilizing this oil. The device has met with a considerable amount of success.

Another speciality is a vaporizer designed to enable engines to be run on the heavier classes of crude oils; this accessory

P Davis should appeal to ownersof agricultural tractors, ploughing engines and driving plant. The concern also undertakes the conversion of engines,

hitherto running on gas, to utilize oil as fuel. paraffin carburetter.

Drummond Bros., Ltd. Head Office and Works: Guildford.

Drummond lathes and general machine-tool plant are utilized throughout the world, and the use of this company's productions ensures the obtaining of a high-class machine finish, which, of course, has a considerable bearing on economical upkeep.

A large percentage of the machining work carried out in connection with internal-combustion and steam-driven vehicles being of a boring nature, this maker incorporates a special form of carriage in the construction of several types of lathes turned out, so that, in addition to performing ordinary turning and screwcutting, the tools may be quickly converted into self-acting boring machines.

On the Precision type, which will take work up to 8 ins. in diameter, a milling attachment is provided. In addition to power and pedal-operated lathes, this machine-tool specialist manufactures a 3i-in. bench lathe; this is constructed with a rigid self-contaieed bed, which permits the appliance to turn work accurately wherever it may be placed. This machine can be supplied with a direct-coupled motor.

Drummond Bros., Ltd., also markets a range of radial sensitive drilling

A useful machines, Blotters, shapers and tool Drummond drill. grinders.

.F2.6 Electric Ignition Co. (1913), Ltd.

Head Office and Works: Sparkbrook, Birmingham.

Practically the whole of the ignition installation necessary for the petrol machine is manufactured by this electrical-accessories engineer. The company holds the unique position of having turned out " Ignitialities " for the automobile industry for no fewer than 12 years. Specially recommended is the E.I C. detaehableeunit trembler coil. This is constructed for Overseas use, and is unaffected by any varying climatic conditions. It has been installed by manufacturers of railcars and omni• buses, as well as of various types of industrial vehicles.

B. M. Fair and Co.

Head Office: 3, Great Winchester Street, London, E.C.

This company's speciality is generally referred to in the industry as " the Men magneto with bell-shaped magnets." The manufacturer claims that this form of constructiou affords easy starting of the engine and, moreover, allows for extremely smooth running at slow speeds. These desirable features in ignition are produced by incorporating the moving type of magnet, which permits a good fat spark to be obtained at full retardation, and through the whole range of ignition variation.

This advantage is self-evident, and has done much to bring this particular ignition speciality to the front rank in the internal-combustiOn industry.

Electric and Ordnance Accessories Co., Ltd. Head Office: Corporation Street, Birmingham.

High-class precision work is synonymous with Vickers productions. This company's axle'forgings, general stampings, thrust and journal load hearings are universally approved, and only the finest material and workmanship are incorporated in -their manufacture.

The important subject of anti-friction bearings suitable for commercial vehicles has.been thoroughly gone into by the E. and O.A. concern; the Timken type, built with tapered rollers, accurately ground to uniform size, affords a very efficient bearing of the line-contact form.

Many of the leading makers of commercial vehicles all over the world are now incorporating this detachable type of bearing in the construction of their machines. Special care is taken to ensure turning out all units interchangeable, and the component parts are carefully finished within high-machining limits.

The great advantage of these bearings is that they take both journal and end thrusts; they are also capable of adjustment, the rollers being housed in special casings permitting of this.

The company also manufactures front and rear axles suitable for the light type of express-delivery vans.

In the case of the rear axles, worm gearing is incorporated as final drive.