Small microphone amplifier, made by S.G. Brown and Co Ltd, 1918-24

Made:: 1918-24 in England

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Small microphone amplifier, made by S.G. Brown and Co. Ltd
Science Museum Group
© The Board of Trustees of the Science Museum

Small microphone amplifier, made by S.G. Brown and Co. Ltd., 1918-24

Details

Category:: Radio Communication

Object Number:: 1937-144

type:: amplifiers

credit:: Science Films Ltd.

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Small microphone amplifier, made by S.G. Brown and Co Ltd, 1918-24

Details

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