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Patent drawing - Aèrostat système Vaussin Chardanne (brevetè). Moyens ...
Patent design drawing for a safe system to regulate the altitude of a balloon while preserving gas and ballast. Includes 9 detail views, cross section, elevation, and identification key. Tissandier collection.
Concours sur le meilleur moyen d'élever un ballon sans perte de gaz de...
Design drawing shows proposal by Louis Panafieu in which the operator in an open car attached to the balloon achieves lift without loss of gas in ballast by manipulating cords on underside of the balloon. Inclu... More