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Aviation History
1938
1938 - 0538.PDF
FLIGHT. FEBRUARY 24, 1938. (Left) Endless variety by David Moseley and Sons, Ltd. (Right) Simmonds Aerocessories, with controls in the foreground and a gigantic "stop-nut" overhead. imagine that all lamps are produced to give light. Among the special lighting equipment marketed by B.T.H. are Mercra lamps filtered to give out only the invisible ultra-violet rays, and also fluorescent lamps with outer jackets to correct the normal mercury light emitted. Mazda is now a household name, and this, elevated to the impressive name of Mazdalux, stands for floodlight pro- jectors as made by B.T.H. for aerodrome and other uses. Cable Makers' Association, High Hol-born, London, W.C.i (Cb.401, 300).— The name indicates the purpose of theAssociation, but the exhibits, revealing the most interesting recent research workof the members, gives an insight into the niorf intimate activities of the vari-ous cable makers. Among them, well known to the aircraft industry, areBritish Insulated Cables; Callender's; Henley's; and Standard Telephones andCables. The Cedos Engineering Co. (E. Martin (Engineers), Ltd.), St. James's Road, Northampton (D.425).—The Short Em- pire boat and Singapore, the Bristol Bombay and the De Havilland Don are but four of quite a galaxy of aircraft types wherein some Cedos product or other may be discovered. Sheet metal work and fittings are the main '' lines '' in the company's aircraft business. Aero engine firms are also supplied. Cellactite and British Uralite, Ltd., 296-302, High Holborn, London, W.C.i (B.522 and 625).—Diatomaceous earth, we learn from C and B.U., is the fossil remains of plants. Furthermore, it is a constituent (with asbestos) of Kimolo- board, a new product adopted for a bomb and gas-proof shelter which can be built in the back garden for ^200. The Kimoloboard (we must learn to dissociate the name from negligee and parlour games) lines a steel chamber and absorbs not only moisture, but exhala- tions, keeping the air "clean" for many hours. Ccllon, Ltd., Kingston-on-Thames, Surrey (B.529).—The days of bamboo construction are past, perhaps the days of fabric are numbered, but the age of attractive aerodrome buildings has only just commenced. For wood, leather, or metal a Cerric cellulose finish is ready, and a brightCerrux hue or Cerrex base prepared. The stand prompts the thought thatthe Northern Lights, fearing Cellon com- petition, put their show on first. Those who would take a closer lookat Cellon need not crane their necks; details of experiments are reproduced inphotographs larger than themselves, and a stop-watch resembles a town clock insize. Chance Brothers and Co., Ltd., Firhill, Glasgow, N.W. (D.329).—No fakir-like qualities are required in any one who feels inclined to lie on bits of glass that have passed through the hands of Chance Bros. Though produced for sound and heat insulation, the glass and silk wool "spun" by this firm can also be used for curtains and coverings, while even dust particles in the air can be separated by a glass wool conditioning filter. Chloride Electrical Storage Co., Ltd.(The), Clifton Junction, Manchester (Cb.307).—Among the innumerable oft-expressed " ifs" is "if only we could harness and store the electrical energyof lightning." Perhaps one day someone will succeed, and in the meantime theExide people are content to store energy The Cirrus Minor engine is to be seen on the - Blackburn stand. Mr. J. Gadd, of the Cirrus division, is seen on the right. from, and for, a large number of other sources and destinations; to quote a few —stationary installations, traction, light- ing, starting, radio. We know that uncontrolled power is as useless as (and more dangerous than) no power at all, so among Chloride in- terests we find switch-tripping equipment and provisions for emergency lighting. To submerge both battery and bulb in water and leave them to aid in the stand lighting is a small matter for the Chloride Company. Constructors, Ltd., Erdington, Bir- mingham (Cb.607, 506).—Considering the number of aircraft and engine parts that must be inspected, classified, and stored, the number of material specifications which exist and the amount of clerical and drawing office work involved, there must be more need, relatively, for filing cabinets, shelves, storage racks, etc., in the aircraft industry than in any other. There should, however, be equipment to suit every requirement among Con- structors' products—even out of doors, when it comes to the storage of workers' cycles. Desoutter Bros., Ltd., Hendon, Lon- don, N.W.g (Cb.213, 118).—It is no longer necessary to connect the name of Desoutter with drills, either pneumatic or electric; the two are practically syn- onymous. In the design of certain new tools for sheet-metal work the Desoutter tradition should ensure something of exceptional efficiency- A demonstration by \V. and T. A very, Ltd., shows modern methods in their Bir- mingham factory, using Desoutter tools. Dunlop Rubber Co.. Ltd., Fort Dun- lop, Erdington, Birmingham.—Dunlop aircraft wheels, brakes and tyres, to- gether with such items as gun control gear, are too well known to need intro- duction. No display of aeronautical accessories appears at Birmingham, though upholstery suitable for aircraft is to be found at Dunlop exhibit in tlie London Section of the B.I.F. Esavian Doors, Stevenage, Herts (D- Outdoor).—There is an undeniable fascination in watching vast doors open- ing and closing, seemingly without effort but an almost incredible amount of re- search work is required in connection with such problems as motive power and lubrication.
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