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• Subject > Radio--Transmitters and transmission (remove)
• Subject > Learadio (remove)
• Format > composite photographs (remove)

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• Still Image (2)

• composite photographs (2)
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• Learadio (2)
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• Radio--Transmitters and transmission (2)
• Lear Developments (1)
• Radio direction finders (1)

2 results

[Learadio combination motor generator and transmitter] (Item)

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 pilots. Typed caption on verso: "E. This is a combined motor generator and transmitter to operate on 3015 and 3120 KC. It was produced in quantities…

[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."