629.73 | H66 | Hill, F. T. Practical Aeroplane Construction [Текст] : A Treatise on Modern Workshop Practice; As Applied to the Bulding of Aircraft; A Handbook for Students; Apprentices; And Draughtsmen Interested in the Aeronautical Industry / F.T. Hill. — London : E. & F. N. Spon, Ltd, 1922. — 240 p. |
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