[Learadio Type TR-50 transmitter]

Details

Identifier2000-06-20_image_042SourceThe William P. and Moya Olsen Lear Papers (2000-06-20), Box 3, Folder 8DescriptionPhotograph 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."Creation Datecirca 1931-1939SubjectLear DevelopmentsLearadioRadio--Transmitters and transmissionRadio in aeronauticsAids to air navigationExtent1 photograph : black and white ; 8 x 10 inOriginal Formatphotographic printsBibliographic CitationThe William P. and Moya Olsen Lear Papers/The Museum of FlightRightsCopyright undetermined

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