Browse Items (1093 total)

[William P. Lear with Lear-o-Scope equipped automobile]
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…

[William P. Lear and Amelia Earhart]
Photograph of William P. Lear and Amelia Earhart, Roosevelt Field, New York, circa 1935.Inscription on verso: "(1935) / 2 yrs. before she crashed in the Pacific /Taken at Roosevelt Field, N.Y / Amelia Earhart and Lear / (She died July 2, 1937)."Typed…

[TWA Douglas DC-1 aircraft at airfield]
Photograph of a TWA Douglas DC-1 aircraft (tail and wing number NR223Y) at an airfield, circa 1935-1938. A man in a TWA jumpsuit stands near the aircraft. The caption notes that this aircraft was outfitted with a Model L Learscope during its…

[Learadio T-40 transmitter]
Photograph of a Learadio T-40 transmitter, circa 1935-1939. Inscription: "T40 6 freq. transmitter designed for D.O.C. (FAA). 1935."

[Learadio combination motor generator and transmitter]
Composite photograph of a Learadio combination motor generator and transmitter, showing views of the internal components and the external case, circa 1935-1937. The verso caption states that this was one of the first transmitting devices for private…

[Learadio T-30 and R-3 equipment]
Photograph of a Learadio T-30 R3 radio system and assorted components, circa 1935-1939. The inscription notes that this equipment was developed especially for pilots operating in Alaska.Inscription: "Learadio T-30 R3. Saved many lives and much money…

[William P. and Moya Olsen Lear Papers, Box 1, Folder 15; Box 209, Folder 1 - "Radio guidance system and blind approach system (WPL/30-1)," 1935 June - 1944 November]
Items from Box 1, Folder 15 and Box 209, Folder 1 of the William P. and Moya Olsen Lear Papers, June 1935 to November 1944. Contains drafts, notes, and technical drawings for the radio guidance system and blind approach system (WPL/30-1) patent.…

[Learadio remote controller and transmitter remote control]
Photograph of a Learadio remote controller and transmitter remote control, circa 1936. The caption describes the devices' specifications and utility.Typed caption on verso: "O. (circa 1936) A picture of both the combination remote controller and the…

[Lear Developments Type T-120 transmitter]
Photograph of a Lear Developments Type T-120 transmitter, circa 1936-1939. The caption on verso notes that transmitter was developed for the Royal Canadian Air Force and describes the device's components and specifications. Caption on verso: "J. This…

[William P. and Moya Olsen Lear Papers, Box 4, Folder 3 - Learadio AMRL-1 marine radio direction finder, Learadio compass, Learadio T30 aircraft transmitter, Learadio R3 aircraft receiver, 1937-1938]
Items from Box 4, Folder 3 of the William P. and Moya Olsen Lear Papers, circa 1937-1938. Contains an advertisement for the Learadio Compass, an advertisement for the Learadio AMRL-1 Marine Radio Direction Finder, and a brochure for Learadio…
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