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[Aircraft instrument panel outfitted with Learadio equipment]
Photograph of an aircraft instrument panel outfitted with Learadio equipment, circa 1931-1939. Two arrows point to the direction indicator and the interphone and radio transmit control switch.Inscription: "NA-44 / Learadio equipment installation / Front cockpit. 20.1171/33."
[Aircraft cockpit outfitted with Learadio equipment]
Photograph of an aircraft cockpit outfitted with Learadio equipment, circa 1931-1939. Arrows point to the microphone and support and the interphone and radio transmit control and jack box.Inscription: "NA-44 / Learadio equipment installation / Rear cockpit. 20.1171/33."
[Aircraft instrument panel outfitted with Learadio equipment]
Photograph of an aircraft instrument panel outfitted with Learadio equipment, circa 1931-1939.