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Science Museum Group Collection
© The Board of Trustees of the Science Museum
Telephone exchange relay
Photographed on a white background.
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Collection of objects and archives donated by BT Connected Earth.
Manual exchange switchboard CB1 (three-position unit), made by the Western Electric Co., 1922.
Telephone 706 CB, made by the General Post Office, Cwmcarn, 1970.
On the back of the phone label says: 706 CB, GPO FDi, Batch sampled FWR 70/2.
Rotary switch for CB1 manual exchange switchboard, 1928.
CB 10 switchboard made by Peel Conner, Salford, 1912, and used in the Barrow-in-Furness telephone exchange.
Box of parts for CB 10 switchboard, made by Peel Conner, Salford, 1912, and used in the Barrow-in-Furness telephone exchange.
Section of main distribution frame used with CB10 exchange, made by Peel Conner of Salford in 1922.
Telephone exchange ringer control panel made by the Power Equipment Co. Ltd, London, 1928.
Telephone exchange ringer rack made by British L. M. Ericsson, London, 1957.
Telephone exchange ringing machine R2, 50v DC powered, 75v AC output.
Made by Walter Jones & Co. (Engineers) Ltd, Sydenham, 1939
Telephone exchange ringing machine R2, 230v AC mains driven; 75v AC output.
Made by Walter Jones & Co. (Engineers) Ltd, Sydenham, 1939.
Crate of parts for telephone exchange ringer control panel, 1928
Manual telephone exchange CB cord circuit tester, made by the General Post Office, Birmingham, 1928.
Fuse box for manual exchange, c. 1930.
Tester AT5422 made by Sifam Ltd, c.1930
Telephone exchange master clock, made by Gents of Leicester, 1958.
Clock pulse sub unit for telephone exchange master clock, 1981
No. 4 companion clock for telephone exchange primary clock, c.1930.
Companion clock for telephone exchange, primary clock by the Chloride Gent Co.
Victorian underground telephone cable marker, made in around 1870.
Edwardian cast-iron underground telephone cable marker.
Cast-iron underground telephone cable marker from the reign of King George VI (1936-1952).
Telescopic overhead wire checker, and has an extendable (plastic and wood?) pole, with inscription: ‘BI/IC 127549’.
Aluminium finial for telephone pole, made in around 1960.
Wooden finial for telephone pole, c.1930.
Wall-mounted fire telephone No. 81, Mk 4.
Paper-tape telegraph reader No 161, made by Creed & Co. Ltd, London. c.1930.
BT portable computer, with VT52 terminal emulator, associated with TXB4 electronic exchanges, made by Microscribe Ltd, Cwmbran, 1983. User manual inside the box.
Vutel terminal (SC) Mk 1, with power adapter, made by Plessey Office Systems Ltd in 1982.
Console SA8120 for use with a private PABX switchboard No. 1.
'Royal' typewriter, c.1930
Coil of green copper wire, c.1960
Lead underground telephone cable section and joint, c.1950
Lead underground telephone cable joint with cable ends, c.1950
Lead underground telephone cable joint, c.1950
Box of miscellaneous telephone cable and wire.
Linesman's test telephone No. 280 made by the General Post Office in 1965.
Wooden chair for switch room, c.1920.
Wicker waste-paper basket.
GPO armoured payphone, c.1980.
Red kiosk payphone.
Prototype British Telecom coin box payphone, c.1980
Testing set consists of small wooden box and plinth with motor and cables. ‘Evershed’s testing set’-metal plaque on box. Trademark No: 257672.
‘Megger’ testing set made by Evershed c.1950.
Telephone cable test unit made by H. W. Sullivan Ltd, c.1950
Air pump for cleaning manual switchboards, made in around 1920.
Teletetra fire extinguisher made by Samuel Jones and Co., London, 1954. With box.
Fire call-out unit No. 2 made by the General Post Office in around 1960.
Small, metal, black box. ‘4’ embossed on metal. Fittings attached inside.
Wokshop telephone switch.
Pole top plug made by the National Telephone Co. Ltd, c.1900
Double-faced telephone exchange clock.
General Post Office telephone sales noticeboard, c.1950.
22 volt ringing generator made by the Lancashire Dynamo & Motor Co. Ltd in 1896.
GPO visual index file with dialling codes, dating from around 1920.
Resistance test box made by Gambrell Brothers and Co. Ltd, London, c.1950
Telephone pole top section, c.1955
Demonstration underground telephone cable joint, made in around 1970.
Power switchboard circuit breaker, made by the the Record Electrical Co. Ltd, Broadheath, c.1950.
GPO wall-mounted adjustable calendar by Ace Associated Woodwork Companies Ltd.
Precision test unit by H. Tinsley & Co., London, c.1920
General Post Office K8 Mk II public telephone kiosk, made in around 1980.
Two-needle telegraph, made by William Reid & Co., London, 1846 and used on the Preston & Wyre Railway.
Model 23B teleprinter on console stand made by ITT Creed Ltd of Belgium in 1981.
Picture receiver type D-356-B, made by Muirhead-Jarvis, c.1950.
Microwave dish used at the Kirk O' Shotts television signal repeater station, Scotland.
Wall-mounted telephone, made by the British L. M. Ericsson Manufacturing Co. Ltd, Beeston, Nottinghamshire, c. 1900.
Wall-mounted telephone 221F (originally 121F) made by Siemens Brothers & Co. Ltd, London, 1944, then modified by the General Post Office, London, 1946.
Blue QEII Silver Jubilee 700 Series telephone, 1977.
Ivory telephone set 107/ 625, made in the 1960s.
Statesman telephone 9111A, with wall bracket, made in 1987.
Ericofon Model 700 one-piece telephone with keypad, made by Telefonaktiebolaget L. M. Ericsson, Sweden, c.1976.
Dummy telephone type 722F, made by the General Post Office, Cwmcarn, 1972.
Early internal intercom telephone, c. 1918.
Ericofon Model 600 Type SR1007B telephone, made by Telefonaktiebolaget L. M. Ericsson, Sweden, c.1980.
A Viscount push-button 9501R, manufactured by Standard Telephones & Cables Limited, and used by the Liverpool International Garden Festival in 1984, whcih was held between 2 May and 14 October.
Retro Model 8005 candlestick telephone , made by A. P. Besson Ltd, Hove, 1984, from components supplied by the American Telecommunications Corporation.
Telephone 162F made by the General Electric Co. Ltd, 1936.
Reproduction push-button table telephone, made by Astral Telecom Ltd in around 1980.
Wooden emergency street telephone, made by the General Electric Co. Ltd in 1951.
Typical 700 Series table telephone, made by STC Consumer Electronics, Cwmcarn, Wales, c.1965.
Wooden 'Système Ader' table telephone made by La Société Generale des Téléphones, France, c.1910.
Type 121 wall telephone, made by the Automatic Electric Company, Chicago, United States, 1912.
This type of telephone was used with Britain's first automatic telephone exchange, installed at Epsom in 1912. It was made by the Automatic Electric Company, of Chicago, USA. Users could choose between a wall telephone, like this one, or a candlestick design.
Model 314L table telephone, made by the General Post Office.
Model SR1002A Contempra (Brown) table telephone, made by GEC-AEI Telecommunications, Newton Aycliffe, County Durham, and issued by Post Office Telecommunications in 1979.
Bakelite magneto granular wall telephone
Magneto wall telephone by Charles Wiliams, Boston, USA, c.1880
Magneto HMT wall telephone, made by L. M. Ericsson and Co. of Stockholm in Sweden in around 1890.
Distribution file box.
Telephone power unit 50A, 1961
Bridge Megger resistence tester made by Evershed and Vignoles, Chiswick, c.1950, with plastic tube.
Dial impulse and speed tester No. 43 made by the Automatic Telephone & Electric Company Ltd, c.1958
Two drawer record filing cabinet by Roneo Ltd, holding telephone-related records "incoming trunk and junction IDF record - automatic exchange."
Teleprinter No. 15 test set, made by Creed and Co. Ltd, London, c.1950
Bellset No. 20 and original box.
Black candlestick telephone No. 2 with transmitter no. 1, 1920.
Replica of Bell's transmitter/receiver of 1875.
Carbon pencil microphone transmitter, as used in Gower-Bell telephones.
National Telephone Company enamel sign for a public telephone, made in around 1905.
Filter unit WB 400A for the UK early warning system from voice telephone signals, c.1964
Bellset no. 26 made by the General Post Office, Cwmcarn, 1960
Telephone fuse heat coil and tester no. 1, c.1950
Telephone fuse box 1 2/2, 1887.
