Spares: Three switchboard operator's breastplate transmitters and headsets of a CB1 manual telephone exchange switchboard, unknown maker, British, 1925-1960. In use at Enfield Telephone Exchange 22 July 1925 to 5 October 1960
- Object Number:
- 1961-94 Pt4
- brass (copper, zinc alloy), metal (unknown), plastic (unidentified), rubber (unidentified)
- furnishing and equipment
- sound device
- From the General Post Office
- Permanent collection
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