Title
Observation Balloon Being Constructed
Caption
Photograph of an observation balloon being constructed. Gas-filled balloons were used throughout World War I for observations.
1917
Date
1917
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP18A06_036
License type
Rights managed
Available size
60.0Mb (4.6Mb) / 12.9in x 18.0in / 3878 x 5408 (300dpi)