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 84
eing about 32,000 cubic feet less than before. Thetotal weight was 9 tons, which was a decrease of 1 ton. Thefour propellers were also somewhat larger. In front and behindwere placed three vertical surfaces, constructed of linen, andintended to produce motion in horizontal directions; betweenthem… … 64 AIKSHIPS PAST AND PEESENT. The first ascent took place over the Bodensee on November30th, 1905. It had been intended to tow the raft, to which itwas anchored, further from the shore against the wind. But thewater was too low to allow the use of the raft. The balloon wastherefore mounted on…
Aeronautics
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