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 177
f officers and men, and there are also companiesat Verdun, Epinal, Toul, and Belfort, with all the necessaryappliances. At Versailles, Montpellier, Arras, and Grenoble theorganisation is subject to the general control of the engineers,and would only become an independent unit in the case… … Fig. 95.—One of the balloons is pegged down in the open field,and the other is sunk in a specially prepared pit. not used; it is generated from time to time as required. Butwaggons are also provided in the forts, and could easily be usedin case of emergency. The provision of skilled aeronauts…
Aeronautics
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