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Aviation History
1938
1938 - 0983.PDF
APRIL 7, 1938- ADVERTISEMENTS. FLIGHT. 19 HOBSON COCKPIT CONTROLS v Designed and built to suit any type of aircraft INVENTORS AND PATENTEES OF THE HOBSON MASTER CONTROL SYSTEM FOR AIRCRAFT ENGINES 47/55 VALE ACTON, W.3 RUSH WTH THE GROUND Ok G. A.L SMOKE TRAIL The G.A.L. electrically-operated Wind Indicator offers no obstruction whatever to landing. Flush-fitted into a concrete pit, its pit covers are stressed to resist the weight of an aircraft touching down on the Indicator itself. It is entirely weatherproof and will function despite flooding. Direction and strength of wind are shown by a dense white trail of smoke from the centre of the aerodrome circle—instantly visible. Operation from control room at Id. an hour. Runs over a week without replenishment and can be illuminated at i night. Where electricity is not available, use the y.-'i. G.A.L. Flame Type Smoke Trail with petrol burner. .:& GENERAL AIRCRAFT LIMITED, LONDON AIR PARK, FELTHAM, MIDDLESEX
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