American letter giving details of Hammond and Waterman airplanes and two accessories; "New Deal" airplanes; outstanding accessories; Sikorsky airscrew brake; bombers and transport types; new ratings for engines; aviation industry.
Recent developments in U.S.A.
Aircraft Eng
Aircraft Engineering ; 7 , n 79
1935
4 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Emerald Group Publishing | 1935
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Emerald Group Publishing | 1931
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