Photograph of an aircraft instrument panel equipped with a Lear, Incorporated VHF receiver and orienter, circa 1940s.Inscription on verso: "Lear Avionics installation late 30's - early 40's."Stamped on verso: "Please return to: Lear Archive, [address…
Photograph of an aircraft instrument panel equipped with a Learadio device, circa 1941.Inscription: "1941. [Amphibian?] with first dry-cell operated trans-rec[cut off]. [illegible] watt. Range 300 miles."
Photograph of Arling W. Ryberg, Chief Mechanical Engineer of Lear Avia, working in his office, circa 1940. Drafting tools and device components are visible on his desktop.Inscription: "Arlie Ryberg. 1940."Typed caption on verso: "A. W. Ryberg, Chief…
Photograph of the assembly line at a Lear Avia facility, Vandalia, Ohio, circa 1940. Male and female employees work on device components at long work tables.Inscription: "Lear Avia assbly [assembly] line -- 1940. Vandalia."Inscription on verso: "View…
Photograph of the assembly line at a Lear Avia facility, Vandalia, Ohio, circa 1940. Male and female employees work on device components at long work tables.Inscription on verso: "Assembly."
Photograph of the assembly line at a Lear Avia facility, Vandalia, Ohio, circa 1940. Male and female employees work on device components at long work tables.Inscription: "Lear Avia Vandalia factory. 1940."Inscription on verso: "Assembly. Handwriting…
Photograph of pilot Betsy Ross using a Learadio portable receiver in the cockpit of her Taylorcraft aircraft, August 20, 1940. An accompanying press release describes Ross's recent flight from Harrisburg Pennsylvania State Airport, noted as the first…
Photograph of a Douglas DC-3 instrument panel with a Learadio ADF 8 automatic direction finder, circa 1940s. The direction finder and two gauges are circled and numbered. Inscription on verso: "Copy of instrument panel (Chicago and [illegible]…
Photograph of an employee working in the shipping/receiving department at a Lear Avia facility, Ohio, circa 1940s. Typed caption on verso: "Shipping and Receiving Department at Dayton Plant."Inscription on verso: "Shipping and receiving room."