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 270
on at Berlin in May, 1887, and Moedebeck was thefirst to use it in a free balloon on June 23rd of that year. Soon FlG. 151.-—Ass rn aims aspirator-psychrometer. SCIENTIFIC BALLOONING 249 afterwards Sigsfeld made a large balloon, named the Herder,and went up in it on June 23rd, 1888, in company with… … Fig. 152.—Professor Assmann and Professor Berson. Help wras speedily forthcoming from various quarters, and the Herder was soon followed by the M. W. and the Meteor.In the latter Assmann made five successful ascents in companywith Gross, Killisch, Berson, and others. Assmann was indefatig-able in…
Aeronautics
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