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Section of a CB1 manual telephone exchange switchboard, 1925-1960
Section of a CB1 manual telephone exchange switchboard with positions for three operators, unknown maker, British, 1925-1960. In use at Enfield Telephone Exchange 22 July 1925 to 5 October 1960
Section of Distribution Frame
Section of main distribution frame used with CB10 exchange, made by Peel Conner of Salford in 1922.
Items of Western Electric Rotary automatic exchange, 1920-1940
Items of Western Electric No 7-A machine switching system (rotary automatic telephone exchange) made by Bell Telephone Manufacturing Company SA, Antwerp, 1920-1940. Including line finders, group selectors, sequence switches, motor and drive assembly. Previously installed at Newland telephone exchange, Hull, decommissioned 1 June 1975.
manual Telephone Exchange
Manual telephone exchange by Dictograph Telephones.
Telephone exchange for use by blind operators, 1977
Telephone exchange for use by blind operators, made by Imperial College and the RNIB, London,1977. Consisting of standard PABX7 switchboard plus special interface unit giving the operator guidance as to the state of the switchboard by means of synthesised speech, plus receiver and metal connector.
Rack from Empress telephone exchange, 1968
Rack from Empress PCM Tandem Exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968
Telephone Exchange Headset
Telephone exchange headset 4409M made by Standard Telephone and Cables Ltd in around the 1960s.
Overhead Telephone Cable Masonry Bracket
Overhead line masonry bracket with power type porcelain insulator, c.1930.
Automatic telephone exchange,
Automatic telephone exchange, made by the General Electric Co. Ltd.
Telephone Subscriber's Meters
Unmounted telephone subscriber's meters No. 100A, c.1960.
Strowger step-by-step PABX3 private automatic branch exchange, 1955-1965
Strowger step-by-step PABX3 private automatic branch exchange as modified for use at Holmsted Manor, Cuckfield, West Sussex, made by Standard Telephones and Cables Limited, British, 1955-1965.
Rack of equipment from Empress (West Kensington) PCM tandem exchange, 1968
Rack of equipment from Empress (West Kensington) PCM tandem exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968. In public service 11 September 1968 to 21 May 1975