Browse Items (63 total)

[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…

[Learadio loop antenna]
Composite photograph of a Learadio loop antenna, showing two views of the internal components, circa 1931-1939. The caption describes the antenna's development and specifications.Typed caption on verso: "H. Shows an early attempt to tune the loop…

[Learadio loop antenna]
Photograph of a Learadio loop antenna, circa 1931-1939.

[Learadio antenna reel]
Photograph of a Learadio antenna reel, circa 1939.Inscription: "Complete manual operated ant. reel with spring take-up fair-lead and [illegible]. / 1939."

[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…

[Learadio portable transceiver and travel case]
Photograph of a Learadio portable transceiver and travel case, circa 1931-1939.Inscription: "Portable transceiver for [illegible] use."

[Man using Learadio portable marker transmitter]
Photograph of a man using a Learadio portable marker transmitter in an open field, circa 1931-1939.Inscription: "First completely portable outer or inner marker transmitter for radio compass [illegible]."

[Learadio employees outside company building]
Photographic group portrait of Learadio employees outside a company building, Garden City, New York, circa 1935.Inscription on verso: "1935. Garden City L.I."Stamped on verso: "Please return to: Lear Archives, [address and telephone number in Reno,…

[Learadio workers using a Learadio portable unit]
Photograph of four Learadio employees using a portable transmitter and receiver unit, Garden City, New York, circa 1935. The company's factory building is visible in the background.Inscription on verso: "1935 - Garden City - Long Island, New York.…

[People working in Lear Developments workshop]
Photograph of people working in the Lear Developments workshop, New York City, New York, circa 1933-1938. Electronic components, device casings, and a loop antenna are visible on the workbenches.Inscription on verso: "The Lear (1) Engineering Dept,…
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