Identifier2000-06-20_image_046SourceThe William P. and Moya Olsen Lear Papers (2000-06-20), Box 3, Folder 9DescriptionPhotograph of the chassis of a Model L Lear-o-Scope, circa 1931-1939. The verso inscription, which was written by William P. Lear, describes the development of the device.
Inscription on verso: "Here is chassis of Model L Lear-o-Scope. The layout was done by WPL -- Wilbur Webb - now deceased who left me and went to Bendix - and Fred [Coombs?] who could layout and draw up such a unit in a maximum of 2 days time / Air trimmers were used throughout with quality in mind. However they proved to be the nemesis of this design because the cadmium on the condenser plates grew fine metallic hairs which occasionally would short out and cause the set to go dead. This trouble was only found by accident by WPL after 18 months of trouble. A case where a cheaper [illegible] would actually have been more reliable than the much more expensive air di electric type wheel should have been the best."Creation Datecirca 1931-1939SubjectLear DevelopmentsRadio in aeronauticsAids to air navigationExtent1 photograph : black and white ; 10 x 8 inOriginal Formatphotographic printsBibliographic CitationThe William P. and Moya Olsen Lear Papers/The Museum of FlightRightsCopyright undetermined
[Chassis of Model L Lear-o-Scope], [2000-06-20_image_046]. Museum of Flight Digital Collections, accessed 16/12/2025, https://digitalcollections.museumofflight.org/nodes/view/4694
![[Chassis of Model L Lear-o-Scope]](/img/placeholder.gif?1762209064 "[Chassis of Model L Lear-o-Scope]")