British Telecom telephone amplifier or loudspeaker unit, model STM, 1981

Made:: 1981

maker:: British Telecom

Telephone amplifier or loudspeaker unit, model STM 81/1

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Telephone amplifier or loudspeaker unit, model STM 81/1
Science Museum Group
© The Board of Trustees of the Science Museum

Telephone amplifier or loudspeaker unit, model STM 81/1, made by British Telecom, 1981

Details

Category:: Telecommunications

Object Number:: 2000-945

type:: telephone amplifier

credit:: BNR Europe Ltd

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British Telecom telephone amplifier or loudspeaker unit, model STM, 1981

Details

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