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• Still Image (38)

• United States (5)
• New York (N.Y.) (4)
• New York (State) (4)
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• photographic prints (36)
• composite photographs (3)
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• Copyright undetermined (38)

• Learadio (38)
• Aids to air navigation (27)
• Radio in aeronautics (27)
• Lear Developments (17)
• Radio--Transmitters and transmission (13)
• Antennas (Electronics) (4)
• Radio direction finders (4)
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• Beech 17R Staggerwing (2)
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• Lear Avia Corporation (1)
• Lear, Inc. (1)
• Lear, William P. (William Powell), 1902-1978 (1)
• MacRobertson International Air Race (1934) (1)
• Nichols, Nichols, Reeder Glen, 1904-1975 (1)
• Pangborn, Clyde Edward, approximately 1893-1958 (1)
• Roosevelt Field (Airport : Garden City, N.Y.) (1)

38 results

[People working in Lear Developments workshop] (Item)

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, (2) Lear Laboratory, (3) Complete stock of test apparatus and inventory, (4) 1/2 floor #4 125 W 17th St NYC. (Associated with Fred M. Link 1933-1938.)"

[People working in Lear Developments workshop] (Item)

Photograph of people working in the Lear Developments workshop, New York City, New York, circa 1933-1938. Machine tools and device casings are visible on the workbenches.

[Men using machine tools in Lear Developments workshop] (Item)

Photograph of two men using machine tools in the Lear Developments workshop, New York City, New York, circa 1933-1938.

[Learadio Beech 17R Staggerwing aircraft] (Item)

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] / Ken, for WPL [illegible] archives."

[Learadio Beech 17R Staggerwing aircraft] (Item)

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] (Item)

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

[Douglas DC-3 instrument panel with Learadio ADF 8] (Item)

Photograph of a Douglas DC-3 instrument panel with a Learadio ADF 8 automatic direction finder, circa 1940s. The direction finder and two gauges are circled and numbered. Inscription on verso: "Copy of instrument panel (Chicago and [illegible] DC-3)."

[Aircraft instrument panel equipped with Learadio device] (Item)

Photograph of an aircraft instrument panel equipped with a Learadio device, circa 1941.Inscription: "1941. [Amphibian?] with first dry-cell operated trans-rec[cut off]. [illegible] watt. Range 300 miles."

[Learadio Model RCB receiver tuning unit] (Item)

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

[Learadio radio compass tuning unit] (Item)

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