New Equipment and Publications
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Batteries Revived
ACOMPOUND which, when added to . the electrolyte in battery cells, is said to disperse lead sulphate deposits, is offered by the Egremont Trading Agency, 1 Heath Street, London, N.W.3. It is known as VX-6 and Is manufactured by the National Dynamics Corp., of America.
It is claimed that by using the compound apparently " dead ". cells can be restored to life, whilst 'addition of the fluid to, new batteries, prevent the accuMutation of sulphates. Sufficient VX-6 to treat. one.. 6 v. or one 12 v, battery costs £1 5s.
Several facsimiles of independent laboratory reports and operators' letters back .up _ the manufacturers' claims. Unfortunately, all of them describe only short-term 'acquaintance with the product.
Priming Aluminium OST etching primers for aluminium IVA are made up from two constituents which are mixed together just prior to use. Strathclyde PA-10 primer, manufactured by Federated Paints, Ltd., Dobbies Loan, Glasgow, C.4, is supplied ready-for use in one can.
It can be applied to aluminium without any preparation of the metal other than normal cleaning. One coat gives paint-to-metal adhesion of over 3,000 p.s.i. and, being pigmented, provides protection against corrosion or weathering. The primed metal can be left for a year or more before subsequent paint coats are applied, without risk of damage.
More Traction THE Ultra Grip tyre produced by the Goodyear Tyre and Rubber Co. (GreatBritain), Ltd., Bushbury, Wolverhampton, is now being manufactured in 6-ply form for light vans. Tubeless sizes offered are 5.90-15 in. and 6.40-15 in., whilst 5.90-15 in., 6.40-15 in., 6.70-15 in., 6.00-16 in. and 6.70-16 in. tubed covers are available.
Greater traction on soft and slippery surfaces, combined with greater cornering stability, are claimed for this robust, heavy-treaded tyre, which incorporates 3-T cord in its construction.
Ready Reference ['WO
wall charts offered by the Northern Aluminium Co., Ltd., Banbury, Oxfordshire, contain half-size dimensioned silhouettes of 180 of the light-alloy sections offered by them for bodybuilding. The charts measure 2 ft. 6 in. by 3 ft. 4 in, and give tabulated details of a largo number of standard sections. The first sheet covers erossbearers, underframes,
The Elliseope industrial microscope . costs £2 5s. It provides 20-40 antes magnification and is adjustable for focus.
flooring, side raves and tipper subframes. Sheet 2 shows general framing, drop-side framing, hollow boards, cant rails, mouldings and cast hinges.
Close Inspection EELLISCOPE is the name given to a small industrial microscope manufactured by the Ellis Optical Company, Mayday Road, Thornton Heath, Surrey. It is approximately the size of a fountain pen and provides 20-40 times magnification.
The instrument would be useful for inspecting ground surfaces such as valve faces and other fine-finished components. A mirror at the base of the microscope reflects light on to the object being examined. It costs £2 5s.
Preventive Maintenance
nETAILS of a new lubrication and maintenance scheme, recently introduced by Vauxhall Motors, Ltd., Luton, Beds, for Bedford fleets, are given in a 55-page booklet available from the Vauxhall service department. In addition to servicing information, the publication contains advice on the selection of suitable vehicles for particular applications.
Vauxhall offer also a wall chart, for display in workshops, which covers the maintenance of Bedford 200-cu.-in. and 300-cu.-in, oil engines.
Latest Edition A REPLACEMENT for the 1957 fTh Sifbronze specification list is now available from the Suffolk Iron Foundry (1920), Ltd., Stowmarket, Suffolk. Details of the new Sifbronze 101 and flux-coated 104 welding rods are included, in addition to comprehensive information on all other Sifbronze rods, fluxes and ancillary equipment.
Chroming Zinc Alloy A BOOKLET entitled "Better Plating -I-A on Die Castings," published by the British Non-Ferrous Metals Research Association, Euston Road, London, N.W.1, at 7s. 6d., describes a new method of chromium plating zinc alloy die castings. The technique permits heavier coatings of chromium to be applied, giving improved corrosion resistance.