
Title
A hydrogen generating machine used in the inflating of military balloons
Caption
Engraving depicting a hydrogen generating machine used in the inflating of military balloons. Dated 19th Century
Date
19th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP23A14_326
License type
Rights managed
Available size
60,0Mb (6,7Mb) / 17,7in x 13,2in / 5301 x 3956 (300dpi)