[Man using Learadio portable marker transmitter]
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Title
[Man using Learadio portable marker transmitter]
Description
Photograph of a man using a Learadio portable marker transmitter in an open field, circa 1931-1939.
Inscription: "First completely portable outer or inner marker transmitter for radio compass [illegible]."
Date
1931-1939 circa
Creator
Extent
1 photograph : black and white ; 8 x 10 in
Format
Rights
Bibliographic Citation
The William P. and Moya Olsen Lear Papers/The Museum of Flight
Identifier
2000-06-20_image_061_01