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Aviation History
1933
1933 - 1284.PDF
FLIGHT ADVERTISEMENTS. DECEMBER 21, 1933 ATR 4 installed in De Havilland Dragon Moth. Wavelength Range:— 500-1200 metres Range :— 120 miles on telephony. 250 miles on telegraphy. Total weight: 78 lbs. Of vital necessity to all aircraft Some certain, easily operated system of com munication is essential between aircraft and the ground. Radio is the only possible method of establishing the communication, and "STANDARD" ATR series of equip ments are the most adaptable. The ATR 4, a medium wavelength transmitter and receiver for Civil and Military aircraft is suitable for most machines varying in size from a " PUSS MOTH " upwards. It also provides a power supply for aircraft naviga tion lights, thus dispensing with the cost, weight and head resistance of a separate generator. ATR 4 equipments have been supplied to The Iraq Air Force, Midland & Scottish Air Ferries, Vacuum Oil Co., and Far East Aviation Co. Write for our catalogue giving full particulars of the ATR series. Standard Hadio Advertisement of Standard Telephones and Cables Limited, Aerodrome Road, London, N.W.9. Telephone: Colindale 6533. STJrEL When it's a question of Hangar construction... .... and time is an important factor. When clear, uninterrup ted floor space—free from pillars or girders is essential. And if the span required is anything from 30 ft. to 250 ft. then .... .the answer is LAMELLA THE HORSELEY BRIDGE & ENGINEERING CO., LTD. HORSELEY WORKS, TIPTON, STAFFORDSHIRE. THE IRVIN AIR CHUTE ONLY IS THE PARACHUTE APPROVED BY THE BRITISH AIR MINISTRY FOR USE IN THE ROYAL AIR FORCE MESSRS. Sole Agents in Great Britain: BRIAN LEWIS & CO. LTD. 30, CONDUIT STREET, LONDON, W.I. (Tel.: Mayfair 7028.) HESTON, MIDDLESEX. (Tel.: Hayes 410.) Kindly mention "Flight " when corresponding with advertisers. X XIV
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