Browse Items (5 total)

[Swept antenna on underside of Fairchild 24 aircraft]
Photograph of a swept antenna on the underside of a Fairchild 24 aircraft, circa 1939. A person, mostly out of frame, points to the antenna from the image's left side.Inscription: "First swept antenna on Fairchild 24. 1939."

[Piper J-4A Cub Coupe aircraft equipped with Lear Avia loop antenna]
Photograph of a Piper J-4A Cub Coupe aircraft equipped with a Lear Avia loop antenna, circa 1940.Inscription: "Lear Avia manual loop. 1940."

[Learadio Beech 17R Staggerwing aircraft]
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] /…

[Learadio Beech 17R Staggerwing aircraft]
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]."

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