
Sujet
American military balloon unit
Légende
American military balloon unit inflating a reconnaissance balloon with hydrogen (1862). The balloons used were of varnished silk and, in spite of a small amount of leakage, they still retained sufficient gas to make ascents some days after their initial inflation. Engraving from "Astra Castra" by Hatton Turnor (London, 1865). Transport. Aeronautics. Ballooning. Information. Observation.
Info+
Photos12.com - Ann Ronan Picture Library
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07113_010696P
Licence
Droits gérés
Format disponible
21,5Mo (2,2Mo) / 30,0cm x 17,9cm / 3543 x 2117 (300dpi)