Verville-Sperry M-1 Messenger (1919-20) used to experiment hooking onto airships at National Museum of USAF. Dayton, OH.
Photo by Jim Steinhart © 2011, all rights reserved. (Ref: OHDA2121)
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USAF Museum Pioneer, WWI & Pre-WWII Collection, Dayton, OH
Captions List for Dayton, OH