Panoramic photographic portrait of Lear Avia staff and their families at the Grand Rapids Branch Picnic, Johnson Park, Grand Rapids, Michigan, August 28, 1943.Caption: "1st Annual Lear-Avia INC. Grand Rapids Branch Picnic / Johnson Park / Aug. 28,…
Photograph of a Learadio portable receiver, circa 1930s-1940s.Inscription: "Portable 2-band battery-operated receiver used thru-out WW2 by many USAF [personnel?] here and all over world."
Photograph of a Learmatic navigator, circa 1940s.Inscription: "Learmatic navigator combining directional gyro with adjustable [illegible] and automatic and/or manual loop [rotator?]."
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 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 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 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…