Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon (1908)
Hildebrandt, A. (Alfred), b. 1870, Story, W. H. tr · New York, D. Van Nostrand company · leaf 66
ressed gases on a DEVELOPMENT OF THE DIRIGIBLE BALLOON. 45 journey, though some method of storing gas in a liquid form mayin the future be available. The use of air-bags is therefore theonly solution ; when the volume of the envelope tends to increase,the air is pressed out of the receivers, and… … Fig. 21.—Balloon, designed by General Meusnier. The two coverings lie tightly one upon the other when theballoon is full. But with a view to avoiding any unnecessaryloss of gas, it is better to fill the outer space with a certainamount of air at the start, so that the volume of enclosed…
Aeronautics
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