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 204
rough the infla-tion tube to thetop of the balloon. On the coveringthere is a strip,which begins at adistance of 20 ins.from the valve,and extends halfthe way down,gradually broad-ening towards the bottom; it is covered by a similar strip on the inside, the twobeing cemented to the envelope, but… … Fit?. 110.—Balloon valves. 184 AIRSHIPS PAST AND PRESENT. In Germany, the ripping-cord is always used, because it ensuresa safer landing. A clever aeronaut with a little practice and withthe use of the ripping-cord can alight with certainty where hechooses, even in a strong wind; and this is a…
Aeronautics
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