Dimensions:W: 21.5cm (8.5")H: 34cm (13.4")
Ministry of Munitions Technical Department Aircraft Production, Fifty-sixth report of the Controller, Technical Dept. for the fortnight ending 12th June, 1918. P/b, 21.5 x 34cm, 28 pages. Copy No.28. Illustrated with photographs and diagrams. The Aircraft Production Department (originally called the Aeronautical Supplies Department) was established in January 1917, when the responsibility for the supply and inspection of aircraft was transferred to the Ministry of Munitions. The bulletins contain information of the experiments carried out on aircraft and engines by the department. This edition includes the applied design for the Bristol fighter, Handley Page 0.400, self sealing tanks, F.B.A flying boat, various engines and so on. Experiments considered to be of outstanding interest and importance include a method of measuring visibility from aeroplanes, standard screw threads and an accident to the first Handly Page 'V' type. Marked as 'Secret' and covered under the official secrets act. The covers are soiled with some creasing and annotations. Inner pages generally good. A scarce document fron the early days of the Royal Air Force. Stock code P22873-25.
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