Valve Radio Set
Production date
1924-1928
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Object detail
Description
Valve Radio Set, three-valve, 1st detector with reaction, 2nd and 3rd audio stages with interstage transformers. External speaker/headphones required. 4.5 volt bias battery included. Used batteries for operating, in lower cabinet.
Classification
AUDIO-VISUAL TECHNOLOGY Audio Appliances radio receiver
Production date
1924-1928
Production place
Measurements
H380 x W320 x D287 mm
Media/Materials description
Wood, copper, textile, bakelite, rubber
Signature/Marks
REACTION TUNING/ TELEPHONES LOUDSPEAKER/ BBC/ APPROVED BY POSTMASTER GENERAL
History and use
This elaborate radio and speaker set has a three-valve configuration. Early valve radios required external headphones or speakers to transmit sound.
Uploaded to the Web 27 May 2011.
Uploaded to the Web 27 May 2011.
Registration number
H45540
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