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Aviation History
1937
1937 - 0197.PDF
JANUARY 21, 1937- FLIGHT. 73 Bhil: Hie firm reports an increasing demand for hangars from private aeroplane owners. Ransomes, Sims and Jefferies. Hangars: See under Aerodrome Surface Prcfmratioti. Titanine, Ltd., Colindale, London, N.W.9. Made by this pioneer firm of dope manu facturers, " Lumilac " is designed as a highly efficient coating for hangars, steel structures, and aerodrome buildings. It is said to combine high covering power and gloss with exceptional durability, while it offers remarkable resistance to brine spray and sea air, and shows toughness, flexibility, and resistance to fatigue. Its speed of dry ing enables work to be carried out in the minimum time and helps to eliminate the risk ol the surface being spoiled through dust settlement. " Lumilac " in aluminium form is speci ally recommended for durability outdoors, while lor interiors its light reflective pro perties are of great advantage. Turner's Asbestos Cement Co., Trafford Park, Manchester, 7. Asbestos-cement is a versatile material which has been adapted for roofing work in the form of slates, tiles, flat and corrugated sheets. For this purpose " Tumall " Trafford tiles and " Kverite " " Bigsix " asbestos-cement corrugated sheets are of out- Handing value for the covering of large areas with economy and speed. For the interior decoration of terminal buildings, etc., " Tumall " glazed panels and " Poilite " decorated asbestos-cement sheets are avail able, whilst " I'oilite " rigid rubber floor tiles give a resilient rubber floor surface backed lor rigidity with asbestos-cement. There are also " Everite " rainwater goods, soil and flue pipes which, in common with all the all asbestos-cement building products, are stated to require no protective painting and are entirely free from maintenance troubles. Aerodrome and Interior Light ing, Electrical Equipment, Wind Indicators, etc. The British Thomson-Houston Co., Ltd., Crown House, Aldwych, London, W.C.2 (Stand 9). Mazda lamps of various types required for the lighting of aeroplanes and aerodromes are exhibited on this stand. These lamps can be divided into four categories: — (i) Low-voltage lamps for interior and instrument lighting on aeroplanes: A range ol 12-volt Mazda lamps in various wattages ranging Iron) \2 to 26. (-') Lamps for landing lights: A special group of low-voltage, high-wattage lamps have been developed for use in landing lights. Four lamps of this type are shown on the stand. (.1) Projector lamps: A representative range of .Mazda projector lamps is shown. Particular attention is directed to the line filament lamps. (4) Mazda Mercra (electric discharge) lamps, which, by reason ol their high effi ciency, are particularly suitable for the economical lighting of large interiors, such as hangars and aeroplane workshops. Brown Bros. (Aircraft), Ltd. (Stand 26). Indoor and outdoor lighting: See under Workshop Equipment. Calender's Cable and Construction Co., Ltd., Hamilton House, Victoria Embankment, London, E.C.4 (Stand 14). Cullender's manufacture all types of insu lated electric cables for lighting, heating and power installations. They supply cables of various types to the Air Ministry and their products have been used for the equipment of many K.A.F. stations, in addition to civil airports and aerodromes. The exhibits on this stand include sample lengths of multi-core tough rubber-sheathed flexible trailing cables, with both plain and hard cord braided finish, for supplying cur rent to portable electrical machinery, etc., and also single-conductor cables with plain and hard-cord braided finish for supplying current to electric welders. Samples of super-tension paper-insulated cables are also shown, together with a large showcase of general types of rubber-insu lated cables. A model of an Empire flying boat will also be on view. In each of these craft considerably more than a mile of Callender cables is installed. Chance Bros, and Co., Ltd., Lighthouse Works, Smethwick, Birmingham (Stand 5). This firm are showing a new cone type boundary light which ensures even illum ination over the entire surface of the cone, and is arranged with a special weak nipple to prevent damage to aircraft in the event of a collision. There is also a demonstration model of the standard Chance obstruction light in corporating a small relay, which automatic- all.' illuminates a second lamp in the event of the normal tamp failing in service. A scale working model of the three-lamp floodlight in rustless steel housing is shown, this type of floodlight being capable of an output of 1,250,000 candle power for a cur rent consumption of only 4I k\V. Lastly, there are numerous photographs of reflector and dioptric beacons, mobile floodlights, etc., and also a photograph of the fully automatic duplicate generating equipment recently supplied for the trans- India air route to operate in conjunction with lJ-kYV reflector-type beacons, the sets being designed to operate unattended for a period of one month by time-switch control. Chloride Electrical Storage Co., Ltd., Exide Works, Clifton Junction, near Manches ter (Stand 8). This stand carries a comprehensive selec tion of batteries for all purposes applicable to aerodrome equipment. A typical small A.C. automatic " Keepa- lite " emergency lighting equipment of the latest type, with a sell-contained rectifier and control cubicle, is wired up for demonstra tion purposes by the company's representa tives on the stand. Batteries (or starting and lighting ol aero planes are also exhibited as well as batteries for ground starting purposes. Fxide hand- lamps and portable lighting projectors can be seen, together with a range of Orydex torches and batteries. Edison Swan Electric Co., Ltd., 155, Charing Cross Road, London, W.C.2 (Stand 47). Ediswan lamps and fittings have many applications in the aeronautical world, rang ing from small instrument lamps to large floodlights. A range, of Rotax electrical equipment employing Kdiswan"~lamps in cludes instrument lights, signalling lamps, cabin lights and navigation lamps. There are also Ediswan batteries for aerodrome and works auxiliary lighting, and lor aircraft. Lastly, there is the extensive range of Ediswan works and outdoor lighting fittings and floodlights, many for use with electric: discharge lamps. They include the " Wal- tham " and " Wanstead " lanterns, diffus ing, dispersing and concentrating reflectors, and the " Sirius " and " Argus " flood lights. General Aircraft, Ltd., London Air Park, Feltham, Middlesex (Stand 39). As sole licensees lor the British Empire of Ahrens patents, General Aircraft are about to commence manufacture of that con cern's " smoke trail " wind indicator. It is stated that the trail can be seen easily from a very great distance; that in either steady or gusty conditions, wind direction is shown exactly where needed, i.e., on the landing ground away from ob structions;' and that, sunk flush with the surface, the apparatus causes no obstruction whatever. Crude oil is fed by gravity from a tank to a hot spot, which vaporises the oil. The source of heat is a petrol or paraffin blow pipe. Operation is exceedingly simple, the indicator needing only very occasional atten tion. The General Electric Co., Ltd., Kingsway, London, W.C.2 (Stand 28) This firm is represented by an interesting display in which " Lighting for flying" is a prominent phrase designed to draw atten tion to large contracts which the company has successfully completed. A large map of the Empire routes is one ol the features of the stand, and it is marked with all the aerodromes which have been equipped with G.E.C. lighting, while atten tion is called by means of diagrams and photographs to the route beacons supplied for the Karachi-Rangoon route and the new Australian Airways, as well as to special equipment supplied to thirty-seven aero dromes in this country, the Empire an.3 abroad. This comprises aerodrome landing floodlights, boundary lights, construction. lights, wind tees, wind velocity indicators. One of the new Clarke Chapman floodlights at New castle municipal air port. This company has equipped the air port with three flood lights, neon beacon, illuminated wind tee, twenty-five boundary lights, full obstruc tion lighting, and re mote lighting con trol
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