PMBX 1+3/4 manual exchange

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PMBX 1+3/4 manual exchange, c
Science Museum Group Collection
© The Board of Trustees of the Science Museum

PMBX 1+3/4 manual exchange, c.1930

Details

Category:: Telecommunications

Object Number:: Y2003.22.17.2

Measurements:: Overall: 327 mm x 312 mm x 300 mm, 12.02 kg

type:: manual telephone exchange

credit:: Gift of British Telecommunications plc

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PMBX 1+3/4 manual exchange

Details

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