Patent GB-1889-4301
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Balloon designed to convert into a parachute when a valve is opened and gas allowed to escape.
Sources
- Brewer and Alexander, 1893, Aeronautics
- Abridgment of patent specifications, Class 4, 1889–92, p. 2
Year filed | 1889 |
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Year granted | |
Office | GB |
Patent number | 4301 |
Inventors | William Duncombe Dale |
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Applicant is inventor? | 1 |
Original title | Balloon parachute |
English title | Balloon parachute |
Tech fields | LTA, balloon, parachute, hybrid, whole, valve, silk |
Filing date | 1889-03-12 |
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Granted? | 1 |
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Related to aircraft? | Yes |
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National tech categories | GB 4 aërostats, GB 4 parachutes |
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Family year | 1889 |
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