Identifier2000-06-20_image_047SourceThe William P. and Moya Olsen Lear Papers (2000-06-20), Box 3, Folder 9DescriptionPhotograph of a Model L Lear-o-Scope and loop antenna, circa 1936-1939. The verso inscription, which was written by William P. Lear, describes the device and its development.
Inscription on verso: "Note left crank changed bands and moved mash on dial -- Right crank for tuning -- moved freq. dial 200 to 410 KC -- 530 to 1530 KC. Also first time tuning meter used. High Z loop with short tuning coil on BC band. / A Model L Lear-o-Scope. First really successful left-right type indicating D.F. This was standard of industry for performance for many years. Brought out in 1936 at 123 W. 17 St. 5th floor in N.Y.C. where Fred Link and Lear shared a floor. Afterwards [illegible] moved to Riverhead L.I. NY."Creation Datecirca 1931-1939SubjectLear DevelopmentsRadio in aeronauticsAids to air navigationAntennas (Electronics)Extent1 photograph : black and white ; 10 x 8 inOriginal Formatphotographic printsBibliographic CitationThe William P. and Moya Olsen Lear Papers/The Museum of FlightRightsCopyright undetermined
[Model L Lear-o-Scope and loop antenna], [2000-06-20_image_047]. Museum of Flight Digital Collections, accessed 11/12/2025, https://digitalcollections.museumofflight.org/nodes/view/4696
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