New variable-pitch propeller invented by A. K. McLeod, Oakland, Calif.
Adjustable pitch propeller
Automotive Industries
Automotive Industries ; 62 , n 7
1930
2 Figs.
Article (Journal)
English
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Adjustable reversible pitch propeller
Engineering Index Backfile | 1930
Adjustable reversible pitch propeller
Engineering Index Backfile | 1930