Full scale drag tests on variuos parts of Sperry Messenger airplane
1928
6, [6] Bl.
Miscellaneous
English
RVK: | ZO 7000 |
Drag testing. Full scale drag tests on various parts of sperry messenger airplane
Engineering Index Backfile | 1928
|Engineering Index Backfile | 1920
The sperry "messenger" biplane
Engineering Index Backfile | 1921
|The air forces on a model of the sperry messenger airplane without propeller
Engineering Index Backfile | 1925
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