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William P. and Moya Olsen Lear Papers

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[Man using Learadio portable marker transmitter]

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Identifier2000-06-20_image_061SourceThe William P. and Moya Olsen Lear Papers (2000-06-20), Box 3, Folder 10CreatorLear DevelopmentsDescriptionPhotograph 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]."Creation Datecirca 1931-1939SubjectLear DevelopmentsLearadioRadio 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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CollectionWilliam P. and Moya Olsen Lear PapersCollection AreaArchives

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[Man using Learadio portable marker transmitter]