Browse Items (63 total)

Photograph of three men with a Waco UIC aircraft, circa 1920s-1930s. The verso inscription identifies two of the men as Wayne Thomis, Aviation editor for the "Chicago Tribune," and Howard Ailor, Waco salesman. The text "Equipped with Lear Radio…

Photograph of the instrument panel in an unidentified aircraft cockpit, circa 1920s-1940s. A Lear Radio-Aire is installed.

Photograph of William P. Lear with a Waco UIC aircraft (wing number NC13402), circa 1930s.Inscription on verso: "Bill Lear + his Waco Model UIC equipped with Lear-O-Scope, direction finder, + Lear-O-Phone transmitter + receiver. This is the plane…

Pamphlet about Learadio aircraft radio equipment, circa 1930s. Contains technical specifications and images of various models of transmitters, receivers, power supplies, and accessories. 41 pages.

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 Learadio Beech 17R Staggerwing aircraft, circa 1930s-1940s.Stamped on verso: "Please credit Hans Groenhoff, [crossed out telephone number and address in New York City, New York]."Note attached to verso: "[letterhead: Norman Warren] /…

Photograph of a Learadio Beech 17R Staggerwing aircraft, circa 1930s-1940s.Stamped on verso: "Please credit Hans Groenhoff, [crossed out telephone number and address in New York City, New York]."

Photograph of William P. Lear in the cockpit of a Learadio Waco E Airistocrat aircraft, circa 1930s-1940s.

Photograph of a Learadio Model RCB receiver tuning unit, circa 1930s-1940s.

Photograph of a Learadio radio compass tuning unit, circa 1930s-1940s.