Enfield CB1 at The Science Museum
Enfield CB1
The Enfield CB1 is one of the permanent exhibits in the new 'Information Age' gallery, which was opened by Her Majesty the Queen on 24th October 2014.














Photo: Enfield Manual Board (behind perspex) in the Information Age collection at the London Science Museum © LSA Oct 2014.
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Overview

Enfield CB1 had 65 positions of the 'A board' and 11 positions for the 'B board'. It was the last manual exchange in Greater London (London Telephone Area) when it closed on 5th October 1960.

However, the last manual exchange in the London Telecommunications Region (LTR) was Upminster (Essex), converted to TXK1 (Crossbar) in 1970.

And the last manual exchange in England was Abingdon (CB board) in Oxfordshire, which ended its service at 07.00 hrs. on Thursday 26th June 1975 and was also replaced by a crossbar exchange.

The last manual exchange in Britain was a CBS2 (Central Battery Signalling No. 2) in Portree, Isle of Skye, on 14th October 1976 and also became a TXK1.
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