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 273
increased the speed of falling. 252 AIESHIPS PAST AND PBESENT. and if it had actually fallen at anything like that rate it woulddoubtless have been torn to pieces. The apparent errors inGlaishers results are doubtless due to the effects of solarradiation. It was evident that a number of important…
Aeronautics
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