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Aviation History
1921
1921 - 0783.PDF
NOVEMBER 24, 1921 BRITISH AIRCRAFT ACCESSORIES IN the two previous issues of FLIGHT, that part of the British Aircraft Industry formed by the aircraft manufacturers andaero engine manufacturers has been briefly dealt with, so as to give in a short review a rdsume of the industry, as it actually exists today. In the following notes, we have compiled what may be termed an introduction to the British firms whomanufacture and sell materials, accessories, etc., for aircraft and aircraft engines. In the space available it has been louna space v,n+ ;<- :„ u J ii , , ", *~° "* '"»icuais uaumcu uy tuc muucui ixiiua. To do so adeuuatelv would requirebut it is hoped that the few words of introduction will, at any rate, serve to give our readers, and especially our xore.gn readers, a fair idea of the nature of the business done by the various firms.—ED. , „_«,., iul aiiuan emu diiudu engines impossible to enumerate all the various articles or materials handled by the different firms. 1 .1 *,•.•• - 11.. -- The Aerograph Co., Ltd., 43, Holborn Viaduct, LondonE.C. 1. PAINTING, varnishing and doping areby no means unimportant items in aircraft construction, and call formuch care and attention in their application. The Aerograph Co., whoare pioneers in the spraying method of applying paints, etc., have producedspecial instruments and plant for use in connection with aircraft construc-tion. It may be pointed out that this method of applying paint, varnish, ordope not only has the advantage of saving labour, but it enables the jobto be effected wi$h an extraordinary amount of control, as compared withthe ordinary brush method, so that the paint, etc., is delivered evenlyand continuously, it does not drag the surface of the object to whichthe medium is applied, and it is economic with the medium. TheAerograph Co. offer a full range of instruments to suit all kinds of work.These instruments are operated by compressed air, which is supplied byportable plants of various sizes, or by larger, permanent plants. The Aeronautical and Panel Ply-wood Co., 218-226, Kingsland Road, London,E. 2. PLYWOOD, in various forms, is beingutilised more and more by modern aircraft designers, and it undoubtedlyhas great possibilities in this con- nection owing to its comparativestrength and lightness. Its manufac- ture, however, calls for more thanordinary attention when it is intended for use in aircraft, and the woodmust be specially selected and built up with the utmost care. The Aero-nautical and Panel Plywood Co. have made a special study of the variousrequirements plywood has to fulfil in aircraft construction, and can supplythis material to suit all kinds of work in this connection. The Aircraft Disposal Co., Ltd.,Regent House, Kingsway, London, W.C. 2.THE " A.D.C." was formed to take over from the Government, and todispose' to the public, the vast quantity of aircraft and aircraft material thatwas "left over" from our "War Stock." The material handled by theA.D.C. is as varied as it is immense in quantity—and as to quality, it is ofBritish construction. It ranges from complete aeroplanes—of some of ourbest types—down to split-pins, and includes engines of various makes,instruments, and fittings. A complete list of these is out of the question here. Allen-Liversidge, Ltd.,106, Victoria Street, London, S.W. 1. THIS firm, which is amalgamatedwith Imperial Light, Ltd., specialises in acetylene welding plant and blow-pipes, and in night landing lights for aerodromes—both of which play animportant part in aviation. In con- nection with the night landing lights,they have carried out much experi- mental work, and have producedseveral successful schemes. The Anglo-American Oil Co., Ltd.(Pratt's), Queen Anne's Gate, London,S.W. 1. ALL grades of petroleum spirits arehandled by this firm, including the well-known " Pratt's " Aviation. Theyalso specialise in bulk storage outfits, suitable for use on aerodromes, whichconsist of an underground storage tank connected up with a self-measuringpump. Auster, Ltd.,133, Long Acre, London, W.C. 2, and Birmingham.IN the automobile world Auster wind-shields have achieved a distinctreputation for efficiency and good design. Messrs. Auster also makewind-shields for use on aircraft, and as may be expected these are equallyefficient in design. They are of ^ound construction and an effort hasbeen made to produce a design which will provide the maximum amount ofprotection, yet at the same time offer the least possible head resistance.They are fitted with Triplex un- splinterable glass. Barimar, Ltd.,10, Poland Street, London, W. 1. WELDING repairs-of every descriptionare undertaken by Messrs. Barimar, Ltd., and we are not exaggerating whenwe say that they have brought such work up to a wonderful stage ofperfection. Articles, such as crank- cases, cylinders, etc., when broken asit would seem beyond repair, when sent to Barimar's are returned, innearly every case, repaired almost good as new. They have, in fact,brought welding repairs to a fine art. The Blaisdell Petrol-Flex Co., Ltd.,Cassiobury Works, Watford. A SPECIAL form of flexible tubing,for aero-engine petrol systems, has been evolved by this company, with theobject of eliminating the - various troubles associated with copper andrubber tubing when used for this Left handtaper thread The Blaisdell flexible, petrol-prooftubing. purpose. The principal feature of theBlaisdell tubing (see FLIGHT, September15, 1921) is that it is really petrol- and benzol-proof, as well as petrol-benzol-resisting. It consists of an inner lining of several layers of animal gut,covered with an outer layer of fabric, the whole being strengthened by awire wound spirally around the tube. A special form of union has also beendesigned for use with this tubing. The British Aluminium Co., Ltd.,109, Queen Victoria Street, London, E.C. 4. ALUMINIUM in all forms is suppliedby this firm, including ingots, sheet, circles, tubes, and a large variety ofsections. They have also issued a series of very interesting and usefulbooklets containing hints on working aluminium, in all the above forms,which should be of considerable help to aircraft constructors.The British Emaillite Co., Ltd., 30, Regent Street, London, S.W. 1. THE products of the British EmailliteCo. consist of the following :—Aero- plane dopes, including " X " for useon aeroplanes and seaplanes for tropical service, " B " for standardtype machines, " S.M." for school and training aeroplanes, and " P " forairships ; protective materials," T.O.V." transparent and " P.V.O.," in variouscolours ; wood varnishes (internal and external work), enamels, paints, andvarnishes. The British Thomson-Houston Co., Ltd.,Rugby. THIS well-known electrical househave produced several magnetos speci- ally for use on aircraft engines, themost popular of which are the " A.V. 12," the " A.O.9 " and the A.V.8."The former was used on the " R.34 " during its double Atlantic crossing.These magnetos are of the polar-in- ductor type. Brown Bros., Ltd.,Great Eastern Street, London, E.C. 2.THE aviation branch of Messrs. Brown Bros.' business is as completeas their motor-car, motor-cycle, and cycle sections—and that is sayinga great deal. In addition to such important accessories as every kind ofinstrument—aneroids, air speed, rev. counters, compasses, gauges, releasevalves, etc.—and various aircraft fittings, Brown Bros, supply electricallyheated clothing, various patterns of helmets, goggles, and safety belts.We may also mention, amongst the other million-and-one things are:Control wheels and levers, carburettors, lighting dynamos, lamps, sparkingplugs, pumps, airscrews, petrol taps and unions, shock absorbers, and allkinds of metal parts and fittings. Bruntons, Musselburgh, Scotland. STREAMLINE wires form the principalspeciality offered by Bruntons, and it
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