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Zur Abstimmung --- For the tuning

Drehkondensator aus einem Detektorradio (Radio der Anfangszeit), hergestellt vom Urgrossvater des Sekretärs um 1920. (In einem «klassischen» analogen Radio dient ein Drehkondensator zur Sender- bzw. Frequenzeinstellung.)

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Variable capacitor from a detector radio (radio of the early days), made by the secretary's great-grandfather around 1920. (In a "classic" analogue radio, a variable capacitor is used to set the station or frequency, respectively.)

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Uploaded on May 12, 2020
Taken on May 2, 2020