"Robert" type, developed in France, which is said to open entirely in 3 4/5 sec.
Airplane parachutes
Notes sur les parachutes d'avions
Aerophile ; 27 , n 17-18
1919
5 pages
4 Figs.
Article (Journal)
French
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NTRS | 1925
|SLUB | 1951
|Engineering Index Backfile | 1921
|Engineering Index Backfile | 1927
|Engineering Index Backfile | 1919
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