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 291
ompanions, who had been suffocated in the mean-time. He managed to land after being dragged heavily alongthe ground for some distance. Sivel and Croce had beensuffocated at a height of 27,000 ft., owing to the fact that theyno longer had the power of inhaling the oxygen. In Germany, expeditions to… … Fig. 170.—Baro-thermo-hygrograph, designed for kites by Dr. Hergesell, and made by Bosch, of Strassburg. (From Die Umschau.) opened unintentionally at a height of 10,000 ft., while on thedescent, and the balloon fell to the ground in 10 minutes.Gross and Berson had proposed to rise to the greatest…
Aeronautics
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