[Learadio Type TR-50 transmitter]
Title
[Learadio Type TR-50 transmitter]
Description
Photograph of a Learadio Type TR-50 transmitter, showing views of the internal components and the external case, circa 1931-1939.
Typed caption on verso: "T. Shows the original effort to make a more powerful transmitter by using tubed in parallel. This was a two-frequency transmitter and operated on 3105 and 3120 KCs."
Date
1931-1939 circa
Subject
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_042_01
2000-06-20_image_042_02