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 290
Sivel was the first to be attacked by a fainting fit, SCIENTIFIC BALLOONING. 269 which, however, quickly passed off. Tissandier meanwhilecontinued meteorological and physiological observations withoutinterruption. His pulse made 110 beats in the minute at aheight of 13,000 ft., while it made 80… … Fig. 169.—Baro-thermo-hygrograph, designed for balloons with observersby Dr. Hergesell, and made by Bosch, of Strassburg. (From Die Umschau.) began to fail, and they fell into the usual listless condition.Their hands became stiff from the severe cold, and they wereattacked by giddiness and fainting…
Aeronautics
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