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• Subject > Radio in aeronautics (remove)
• Format > photographic prints (remove)
• Subject > Radio direction finders (remove)

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• Still Image (3)

• photographic prints (3)
• composite photographs (1)

• Copyright undetermined (3)

• Aids to air navigation (3)
• Learadio (3)
• Radio direction finders (3)
• Radio in aeronautics (3)
• Radio--Transmitters and transmission (2)

3 results

[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."