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 William P. Lear holding the Lear Radio-Aire, Chicago, Illinois, circa 1932. Inscription: "The first Radio Aire / Bill / 1932."Inscription on verso: "Bill Lear + his first airplane radio, the Lear Radio-Aire. Chicago, 1932. Photo…
Photograph of William P. Lear with his Lear-o-Scope-equipped Plymouth automobile, New York City, New York, circa 1935. A loop antenna is mounted to the roof of the car.
Inscription: "1935. 121 W 17 St NCY. WPL with first Lear-o-Scope."
Stamped on…
Photograph of William P. Lear with a Lear-o-Scope and loop antenna, New York City, New York, circa 1935.
Inscription on verso: "Bill Lear and his first direction finder, the Lear-o-Scope. NYC. 1935. Courtesy Lear Archives."
Typed caption on verso:…