Allen A-4 ultralight monoplane
Allen A-4 ultralight monoplane, built by Edmund T Allen of Salt Lake City Utah, USA
Picture No
13156604
Media ID
47774973
Size
5433px x 4314px
(2.8MB)
Credit
(c) The Peter Butt Aviation Collection / Mary Evans
Source
unattributed photographer - scanned from an original print
Date
circa 1920s
