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 198
The use of impure acid has ledto several fatal accidents, and the smallest amount of arsenic BALLOON CONSTRUCTION, ETC. 177 produces such an effect on the red corpuscles in the blood thatdeath quickly results. The vats or barrels must be lined withlead, which is the only common metal not attacked… … Fig. 105.—Ascent of a captive balloon on a windy day. three days, using in the process 180 tons of sulphuric acid and80 tons of iron turnings. It has been already mentioned that the first military use ofthe balloon took place soon after the French Revolution, andthat one of the conditions was that…
Aeronautics
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