'Speakeasy' telephone amplifier, c. 1965

Made:
1965
'Speakeasy' telephone amplifier, c. 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)