Browse Items (1093 total)

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 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.

Composite photograph featuring portraits of Lear field service engineers, Grand Rapids Division, circa 1930s-1940s. Also lists overseas and U.S. air bases where Lear equipment is used.

Portable radio receiver in luggage-like case, worn yellow fabric along top and sides. Face of receiver at top with black dials and brown leather handle across. Small door opens at back. Label at front top center with the information: "The Pilots…

Lear Avia Learadio constructed out of tan yellow wooden casing with two white dials on the front, along with a tan mesh fabric portion for the speaker. Marks: "Learadio." Part/serial number: "Model 565."