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 294
f 28,000 ft. ;the observations were then concluded, and it was possible, evenat this pressure, to smoke a cigarette. Sehroetter is satisfiedthat the balloonist is liable to be attacked by all the symptomsof mountain sickness. A sleepy, lethargic state is induced, andthe simplest thing requires a… … Fig-. 173.—The balloon, Prussia, belonging to the Aeronautical Observatory, inhaving a capacity of 300,000 cubic feet, is being filled with gas. As an instance of the way in which the bodily and mental pro-cesses are affected, two specimens of Schroetters writing are herereproduced; the one was…
Aeronautics
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