PMBX 1+3/4 manual exchange
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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
- credit:
- Gift of British Telecommunications plc
