iful tragedy, one of the most pitiful in the historyof aeronautics. The solution of the problem proposed by Schwartz was analuminum balloon propelled by a motor. As far back as 1842,Marey-Monge, the Frenchman, had proposed the idea of usinga metal gas-receptacle and fifty years later, when aluminum… … THE TISSANDIER AIRSHIP OFPROPELLED AlK-CRAFT. 1883-S4. THE FIRST ELECTRICALLY three years which preceded his death he vainly strove to getfunds to complete his work. His widow carried on his task, in Germany, and late in 1897the posthumous work was completed, and the metal balloon,driven by a…
Aeronautics
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