ent. The valve was operated from the car byropes. At the bottom of his balloon was a tube about eight inchesin diameter through which the gases were passed into the bal-loon, and through which the gas could escape in case of expan-sion. The gas was formed by the reaction of sulphuric acid oniron… … _jU:^ FANTASTIC PLAN PRESENTED BY CITIZEN MONGE, OF ENGLAND, IN I7FOR THE PURPOSE OF CONVEYING THE ARMY OF ENGLANDFROM THE GALLIC SHORE AND EXCHANGING FRENCHLIBERTY FOR ENGLISH HAPPINESS
Aeronautics
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