George Cayley's design for a double balloon
George Cayley's design for a double balloon to be propelled by inclining a plane between the two envelopes. 4 March 1837
Picture No
10841865
Media ID
48053107
Size
2561px x 4000px
(1.6MB)
Credit
© The Royal Aeronautical Society (National Aerospace Library) / Mary Evans Picture Library
Source
Photograph from The Royal Aeronautical Society Archive

































