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Chronological Index of ideas and tests |
Early Ideas |
| Gaston Hervieu | France | 1911 | Mechanical Parachute Extraction System |
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| Prensiel, George | England | 1912 - 1914 | Compressed air Parachute Extraction System |
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| Wolowski, Dip. Ing. | Poland | 1924 | Through the tail parachute extraction system | |
| Dudgeon, Fg Off Peter | England | 1930s | Ejector seat to raise pilot to open cockpit leave to assist bail-out | |