'Speakeasy' telephone amplifier, c. 1965

Made:: 1965

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'Speakeasy' telephone amplifier, c. 1965
Science Museum Group
© The Board of Trustees of the Science Museum

'Speakeasy' telephone amplifier, c. 1965

Details

Category:: Telecommunications

Object Number:: 1989-1235

type:: telephone amplifier

credit:: Voller, G.C. (ScM)

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'Speakeasy' telephone amplifier, c. 1965

Details

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