Enfield CB1 at The Science Museum | ||
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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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July 2015.
Checked May 2021. All logos and trade marks are the property of their respective owners and are used on the Light Straw site(s) for review only. Students and researchers are recommended to make their own independent enquiries as to the accuracy of the information contained therein. |