Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 371
odrome, were pressed into the service, and before the siege was raised 64 of these postal balloons had been dispatched. Fifty-seven out of the 64 landed safely on French24 370 MILITARY AERONAUTICS. territory, and fulfilled their mission; 4 were cap-tured by the Germans; 1 floated to l^orway; 1… … Spherical canister of compressed hydrogen for use in inflating military balloons.A large number of these canisters may be tapped at the same time and theinflation proceed rapidly; a large balloon being filled in two hours. sons left Paris in these balloons, always at night,and there were carried a…
Aeronautics
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