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Aviation History
1915
1915 - 0911.PDF
NOVEMBER 19, 1915. SUPPLEMENT TO [fiMl The Acetylene Corporation of Great Britain, Ltd., 49, VICTORIA STREET, WESTMINSTER. A SPECIALITY of this firm is a new portable carbide - to - water acetylene gene rator made of mild steel sheets welded together by the oxy-acetylene process and the whole galvanised after construction. It takes a charge of 12 lbs. of carbide and is i6£ ins. in diameter by 3 ft. 4 in. overall. Weight empty about 1 cwt. It is claimed that owing to the special design of this generator there is no wastage of gas through after generation when the blow pipes are shut down, aed it will deal with any metal up to i in. thick. The water used for sealing the bell is separate from the water used for decomposing the carbide ; consequently, re charging is very simply and quickly accom- former has several advantages in its favour, two of the most prominent being its portability and the purity of the gas, which is compressed acetylene stored in steel cylinders containing a porous material, The absolute purity of the acetylene when pre pared in this way is assured since it is impossible to "dissolve" the gas unless it is first thoroughly freed from all deleterious substances such as sulphur, phosphorus and ammonia. Dissolved acetylene (D. A.), as it is called when so prepared, is, as is wellknown, the pro duct of the Acetylene Illuminating Co., a firm who were the actual pioneers of the oxy- acetylene process of welding. Although advocating the high pressure system for all important work, the company also manu facture low pressure plants, in which the 5 mm. ; strainers, short; bright hex. bolt; and nuts, 5 by 45 mm, (a very useful size) s hex. nuts, A.G.S. 115c, 114B and II8A; and the familiar R. A. F. turnbuckles (A.G.S. 141). From time to time, as the business grows, doubtless other " lines " will be specialised in. A useful institution is the weekly issue ot the A.S.C. Bulletin, which sets forth the special lines in stock, and those which are available for early or ad vanced deliveries. A copy can be obtained regularly by anyone interested in the manu facturing side of aviation. Anglo-American Oil Co., 36, QUERN ANNE'S GATE, WESTMINSTER, S.W. ONE of the most familiar sights at any aerodrome are the green cans in which Pratt's " Perfection" spirit is packed, and it Some speciali ties of the Air craft Supplies Co. plished. The manhole cover is unscrewed and the carbide cage removed, the cludge valve is then opened and the centre chamber washed out. The cage is then filled with a fresh charge of carbide and the manhole cover replaced. The gas is thoroughly washed and passed through the purifier before leaving the plant. Acetylene Illuminating- Co., 268-270, SOUTH LAMBETH ROAD, S.W. IN installing an oxy-acetylene welding plant, there are two systems, known respec tively as high and low pressure, and the acetylene is delivered to the blowpipe at a pressure approximately atmospheric from a generator similar in principle to those used for headlights on cars. The Aircraft Supplies Co., 17, JOHN STREET, THEOBALDS ROAD, LONDON, W.C. CONCEIVED on unique lines, the policy of this business is to meet the demand for those fittings which the ordinary busy manu facturer in these days finds difficulty in ob taining, a few of these lines being wing-flap hinges (20-21-22 A. 4029), Binet type, 4 and affords the most convincing proof of the popularity of this motor spirit. Its relia bility, purity and economy are too well known to need more detailed reference here. The Allied Aircraft Varnish Co., Ltd., 38, FARRINGDON STREET, LONDON, E.C. FORMED out of two existing fkms both having long experience in fabric and linen varnishes, the Allied Aircraft Varnish Co., Ltd., at the outbreak of war set to work to meet the tremendous demand for dopes, varnishes and paints for all forms of aircraft Interior of the D.A. compressing works, of the Acetylene Illuminating Co., where the cylinders are charged. 3 F
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