The aerial age : a thousand miles by airship over the Atlantic Ocean; airship voyages over the Polar Sea, the past, the present and the future of aerial navigation (1911)
Wellman, Walter, 1858- · New York : A.R. Keller · leaf 300
ue to general conditions, but changewith every variation of the altitude of the ship. The reader should first understand that all ofthe 345,000 cubic feet of gas in the balloon inour airship was contained in a single compart-ment or reservoir, tightly closed, and kept con-stantly under a small… … FACTS ABOUT AIRSHIPS 241 of the balloon, worked only by a cord from thecar. The other was at the bottom, well aft, andset to open at a pressure of 12 miUimeters ofwater, equal to 12 kilogrammes per meter square—oh, that the United States as an approximatelycivilized country could enjoy the blessing…
Aeronautics
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