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Aviation History
1937
1937 - 0206.PDF
78 FLIGHT. JANUARY «, 1937. C. H. Johnson and Sons, Ltd., Smedley Road, Manchester, 8. .Manufacturers of the " Frama " welding plants, this firm has developed a system by which the relative pressures of acetylene and oxygen are balanced automatically and in dependently of the welder's skill, thus ensur ing an optimum blowpipe flame throughout the job, with consequent absence of oxydisa- tion, carlionisation and back-firing. They have also evolved " central " plants, two differing types utilising high- and low- pressure acetylene respectively, wherein the cylinders or generators are at a central point, thus economising space, and supplies are pi [led to the blowlamps. Automatic regula tion is again a feature. Lacy-Hulbert and Co., Ltd., Boreas Works, Beddington, Croydon. One oi the specialities of this firm is an automatically controlled, direct-driven air compressor plant for centralised compressed air supply for aerodromes, aircraft work shops, etc. Similar plants are supplied for the opera tion of pneumatic tools, spraying paint, tyre inflation, and many other uses. These are made in sizes varying from 2A cti. ft. to 400 cu. ft. of free air per minute. Metropolitan Vickers Electrical Co., Ltd., Manchester and Sheffield. Products of Metropolitan-Yickers include electric motors, generators and control gear; electric welding equipment; " Cosmos " lamps for factory and office lighting; electric discharge lamps for lighting large areas; and _ electrical measuring instruments of every kind. Another Metrovick product, type M-V "• C " ([latent) alloy, is already widely used in the aircraft industry. This high-grade aluminium-silicon alloy 15 stated to be excep tionally pure, lighter" than aluminium, and in strength and ductility exceeds the re quirements of the Admiralty, Air Ministry, and B.S.I, specifications. Ransomes, Sims and Jefferies. Blackburn tail trolley: See under Aero drome Surface Preparation. Rubery, Owen and Co.. Ltd., Darlaston, Staffs. Two aspects of the wide scope of this firm are of particular application to airport work. The steel equipment department can supply workshop storage equipment, and the struc tural department has supplied the steelwork for some of the largest buildings in the countrv. , Apart from these activities, the firm has been known since the inception of the air craft industry for general components, turn- buckles, eyebolts, bolts and nuts, shackles, fork-ends, pins and washers, etc., and all manner of A.G.S. parts. Fire Fighting and Crash Equipment Bell's Asbestos and Engineering Supply Co., Slough, Bucks (37). This exhibit directs attention to the adop tion of fireproof asbestos suits. Of two types which are available, one, which has already been adopted, is a heavy suit for rescue and salvage work, in which it is possible to withstand a heat of 1,700 degs. F., and the other a lighter form of clothing resembling overalls, which can be used by pilots. Other important asbestos products are shields with which fire-fighters can protect themselves while approaching the seat of the fire, and gloves which aerodrome regulations now make a compulsory equipment. Safety curtains of woven asbestos, as well as movable asbestos screens, which can immediately isolate any outbreak of fire, are another interesting product on exhibition, together with curtains for everyday use in coloured asbestos fabric of attractive design. The General Fire Appliance Co., Ltd., 11, Queen Victoria Street, London, E.C.4. (Stand 32). This firm is showing a complete range of Adjustable wing or tail jacks by Brown Bros. (Aircraft), Ltd. fire-fighting appliances for the protection of aerodromes. Of particular interest is the 30-gallon " Bromylene " extinguisher, which gives off 240 gallons of foam impregnated with gas. It is a most efficient appliance for dealing with crash fires and is used through- . out the Royal Air Force for this purpose. The two-gallon " Fire Froth " extinguisher is an auxiliary appliance to be used on small fires in aircraft workshops. Other equipment includes the quart size inethyl- hromide extinguisher as used in RAF. air craft; flameproof helmet and gauntlets; the Reid grab hook; bolt croppers; and light weight breathing apparatus for combating fumes. All these appliances are approved by the Air Ministry. ^0©^ J STAND 48 I A selection of enlargements of j I Flight's unique aerial photo- | graphs will be a prominent '• \ feature of this stand—which, j I inciden'a'ly, is conveniently situ- | ated to the right of the main ; I entrance and makes a useful ": business rendezvous. National Fire Protection Co., Ltd., Peter sham Road, Richmond, Surrey. The National Fire Protection Co., Ltd., has made a special point of examining the needs of airports and clubs in regard to fire protection equipment. A carelul scrutiny has been made of Air Ministry Pamphlet No. 55, and the firm now issues a price list of all specified equipment, both crash and medical. Among this equipment special notice should be taken of the " National " methyl- bromide trailer, and the " Richmond " 34- gallon foam machines on wheels. The com pany states that it is the pioneer manufac turer of methyl-bromide equipment, of which so much is employed by the Royal Air Force for the protection of both aircraft and aerodromes. The Pyrewe Co., Ltd., Great West Road, Brentford, Middlesex. The Pyrene Company manufacture all kinds of appliances for dealing with aero plane and aerodrome fires. The Pyrene extinguisher is largely used on air liners, while the Pyrene pressure-type extinguishers are supplied charged with I'yrenc liquid or methyl bromide. In the latter case they are approved by the Air Ministry for aeroplane protection. " Phomene " foam fire appliances are made in a wide range of hand extinguishers, engines and generators, while the Pyrene foam-making branchpipe is a new and highly effective foam unit. Pyrene appliances also include CO., extin guishers and installations, general fire appli ances and complete crash equipment. Miscellaneous Airco, Ltd., 3, St. James's Square, London, S.W.l (Stand 12). This Company claims a unique position in tiie aircrait industry, as pioneers of aero drome equipment factoring, and sole repre sentatives for a number of well-known tech nical products. Their activities range from the supply of new and secondhand aircraft and spares to a full range of aerodrome equipment. The airport owner will find much to interest him on this stand. Lighting equipment is well represented, for Airco, Ltd., are sole agents for the British Isles for Clarke, Chapman and Co., Ltd., and also for the Tillev Lamp Co. Another very interesting section is the book department, from which any publica tion on aviation may be obtained. The Interavia ABC, too, is on show. Pilot's equipment is. yet another Airco speciality, and a special catalogue has been prepared. On Stand No. 12 may be seen the latest Tillcy floodlights. This comprises three pro jectors, turntables and trolley, making the complete unit mobile. A unique feature of this unit is that it is oil-burning, costing practically nothing to run. Also shown are a single floodlight projector and a hand lamp for repair work. Other items, too numerous to describe in detail, include fire-fightins equipment. Hurlinite glass substitute, heat ing equipment for buildings, airport weighing machines, and " Lobbo " aircraft and aero drome cleaner. Kelvin, Bottomley and Baird, Ltd., Marlow House, Lloyds Avenue, London, E.C.3. Primarily makers of aircraft and testing in struments, this firm also markets one acces sory which is found at aerodromes the world over—the Aldis signalling lamp. It can be used to signal over distances up to ten miles by day and twenty by night. Short and Mason, Ltd., Aneroid Works, Walthamstow, London, E.17 (Stand 10). 1 he imposing array of instruments on this stand includes the S. and M. micro-baro graph, as used by the Meteorological Office, giving a visible record increased two to three times that of the ordinary type barograph; S. and M; large model M.O. micro-barograph, a considerably larger edition of the above and now used by the Meteorological Office as a standard model; standard Fortin mer curial barometer; M.O. pattern station mer curial barometer; thermograph; hygro- graphs; Stevensons screen; recording rain ;^auge, and other types; electrical M.O. pattern anemometer; Robinson cup ane mometer, and other types; electrical wind direction indicator; surveying-type aneroid barometer; various laboratory test appara tus; Fulscope temperature controller (for controlling and recording the admission of a heating or cooling medium to any industrial heating processing apparatus); Fulscope humidity recording controller (for controlling humidity within extremely close tolerances); Fulscope reset controller (for maintaining a fixed differential between one controlled and one uncontrolled medium); and recording temperature and dial thermometers Smith's Aircraft Instruments, Cricklewood, London, N.W.2. .Manufacturers of an almost endless raI\Se of aircraft instruments, Smith's also handle equipment of interest to airport operators, including Standard radio (see page 74) an° Fssex fire extinguishers.
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