British Telecom telephone amplifier or loudspeaker unit, model SL/B, 1978

Made:
1978
maker:
British Telecom

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Telephone amplifier or loudspeaker unit, model SL/B, made by British Telecom, 1978

Details

Category:
Telecommunications
Object Number:
2000-944
type:
telephone amplifier
credit:
BNR Europe Ltd