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• Subject > Radio in aeronautics (remove)
• Subject > Aids to air navigation (remove)

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• Still Image (41)

• New York (N.Y.) (1)
• New York (State) (1)
• United States (1)

• photographic prints (41)
• composite photographs (4)
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• Copyright undetermined (34)
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• Aids to air navigation (41)
• Radio in aeronautics (41)
• Learadio (32)
• Lear Developments (22)
• Radio--Transmitters and transmission (16)
• Antennas (Electronics) (5)
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• Lear, William P. (William Powell), 1902-1978 (3)
• Radio direction finders (3)
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• Nichols, Nichols, Reeder Glen, 1904-1975 (1)
• Ontario. Department of Lands and Forests. Forestry Branch (1)
• Pangborn, Clyde Edward, approximately 1893-1958 (1)
• Ross, Betsy (1)
• Turner, Roscoe, 1895-1970 (1)
• United States. Army. Signal Corps (1)
• Women air pilots (1)
• Women in aviation (1)

41 results

[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.

[Betsy Ross using Learadio portable receiver] (Item)

Photograph of pilot Betsy Ross using a Learadio portable receiver in the cockpit of her Taylorcraft aircraft, August 20, 1940. An accompanying press release describes Ross's recent flight from Harrisburg Pennsylvania State Airport, noted as the first light plane altitude flight ever recognized by the National Aeronautics Association. It also describes the Learadio receiver installed in Ross's…

[Learadio portable receiver] (Item)

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."

[Learmatic navigator] (Item)

Photograph of a Learmatic navigator, circa 1940s.Inscription: "Learmatic navigator combining directional gyro with adjustable [illegible] and automatic and/or manual loop [rotator?]."

[Learadio automatic direction finder] (Item)

Photograph of a Learadio automatic direction finder, circa 1940.Inscription: "Manual loop antenna rotator and directional indicator. 1940."

[Learadio equipment installed in front and rear cockpits] (Item)

Photograph of an unidentified aircraft fuselage with its side panel removed, showing the Learadio equipment installed in the front and rear cockpits, circa 1940s-1950s. Several of the components are labeled. Caption: "NA-44 / Learadio equipment installation / Front and rear cockpit -- Right side. 20-1171-27." Labeled components: "Direction indicator panel -- Rear cockpit. Automatic compass and…

[Learadio panel assembly] (Item)

Composite photograph of Learadio panel assembly, showing side and front views, circa 1940s-1950s. Individual components include a fixed antenna tuning unit, trasmitter, automatic direction finder, and control unit.Caption: "Front view / NA-44 / Learadio panel assembly. 201171/25."

[Learadio equipment installed in front cockpit] (Item)

Photograph of Learadio equipment installed in the front cockpit of an unidentified aircraft, circa 1940s-1950s. Several of the components are labeled.Caption: "NA-44 / Learadio equipment / Front cockpit -- Right side. 20-1171-28."Labeled components: "Shock-mounted radio equipment support panel. Excess cable. Primary filter."

[William P. Lear and employees looking at airborne radio equipment] (Item)

Photograph of William P. Lear (right) and two Lear, Incorporated employees looking at airborne radio equipment, circa 1940s-1950s.Typed caption on verso: "William P. Lear, Chairman of the Board, Lear, Inc., consults with members of his technical staff over newly designed airborne radio equipment. Lear, Inc. Santa Monica, California, U.S.A."Stamped on verso: "Hullibarger's Photography, [address and…