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
Fig. 154.—Major Moeclebeck. Fig. 155.—Captain von Sigsfeld. desirable to make simultaneous ascents from a number of placeswith a view to mapping out the state of the atmosphere afterthe manner adopted in the meteorological reports publishedfrom day to day. This has given rise to an…
Aeronautics
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