BT Connected Earth Collection

BT Connected Earth Collection

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Collection of objects and archives donated by BT Connected Earth.

Details

Category:
Telecommunications
Object Number:
Y2003.22
Materials:
wood, plastic, metal and leather
Measurements:
Overall: 2150 mm x 1190 mm x 1765 mm,
type:
collection of objects and archives
credit:
Gift of British Telecommunications plc

Parts

Telephone 706 CB

Telephone 706 CB

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.

Measurements:
Overall: 130 mm x 220 mm x 260 mm,
Object Number:
Y2003.22.163 dup 1
type:
table telephone
Image ©
The Board of Trustees of the Science Musuem

CB 10 switchboard made by Peel Conner

CB 10 switchboard made by Peel Conner, Salford, 1912, and used in the Barrow-in-Furness telephone exchange.

Measurements:
overall: 1940 mm x 970 mm x 760 mm, 300 kg
Materials:
metal (unknown) and wood (unidentified)
Object Number:
Y2003.22.3
type:
manual telephone exchange
Image ©
The Board of Trustees of the Science Museum
Section of Distribution Frame

Section of Distribution Frame

Section of main distribution frame used with CB10 exchange, made by Peel Conner of Salford in 1922.

Measurements:
overall: 2800 mm x 910 mm x 60 mm, 57 kg
Materials:
metal (unknown)
Object Number:
Y2003.22.9
type:
telephone exchange
Image ©
The Board of Trustees of the Science Museum
Telephone Exchange Ringer Control Panel

Telephone Exchange Ringer Control Panel

Telephone exchange ringer control panel made by the Power Equipment Co. Ltd, London, 1928.

Measurements:
overall: 2000 mm x 650 mm x 460 mm,
Object Number:
Y2003.22.10
type:
manual telephone exchange ringer
Image ©
The Board of Trustees of the Science Museum
Telephone Exchange Ringer Rack

Telephone Exchange Ringer Rack

Telephone exchange ringer rack made by British L. M. Ericsson, London, 1957.

Measurements:
overall: 2000 mm x 600 mm x 690 mm,
Materials:
metal (unknown)
Object Number:
Y2003.22.11
type:
manual telephone exchange ringer
Image ©
The Board of Trustees of the Science Museum
Telephone Exchange Ringing Machine

Telephone Exchange Ringing Machine

Telephone exchange ringing machine R2, 50v DC powered, 75v AC output.

Made by Walter Jones & Co. (Engineers) Ltd, Sydenham, 1939

Measurements:
overall: 380 mm x 370 mm x 680 mm,
Materials:
iron and metal (unknown)
Object Number:
Y2003.22.12
type:
manual telephone exchange ringer
Image ©
The Board of Trustees of the Science Museum
Telephone Exchange Ringing Machine

Telephone Exchange Ringing Machine

Telephone exchange ringing machine R2, 230v AC mains driven; 75v AC output.

Made by Walter Jones & Co. (Engineers) Ltd, Sydenham, 1939.

Measurements:
overall: 400 mm x 440 mm x 1130 mm,
Materials:
iron and metal (unknown)
Object Number:
Y2003.22.13
type:
manual telephone exchange ringer
Image ©
The Board of Trustees of the Science Museum
Crate of parts for Telephone Exchange

Crate of parts for Telephone Exchange

Crate of parts for telephone exchange ringer control panel, 1928

Measurements:
overall: 300 mm x 400 mm x 500 mm,
Object Number:
Y2003.22.14
type:
manual telephone exchange ringer
Image ©
The Board of Trustees of the Science Museum

Fuse box for manual exchange

Fuse box for manual exchange, c. 1930.

Measurements:
Overall: 530 mm x 130 mm x 410 mm,
Object Number:
Y2003.22.18
type:
telephone exchange fuse box
Image ©
The Board of Trustees of the Science Musuem

Tester AT5422 made by Sifam Ltd

Tester AT5422 made by Sifam Ltd, c.1930

Measurements:
Overall: 480 mm x 200 mm x 360 mm,
Object Number:
Y2003.22.19
type:
automatic telephone exchange cord test
Image ©
The Board of Trustees of the Science Musuem
Clock pulse sub unit for telephone master clock

Clock pulse sub unit for telephone master clock

Clock pulse sub unit for telephone exchange master clock, 1981

Measurements:
Overall: 120 mm x 250 mm x 235 mm, 3.02 kg
Object Number:
Y2003.22.21
type:
manual telephone exchange pulsing clock
Image ©
The Board of Trustees of the Science Museum

No. 4 companion clock for telephone exchange primary clock

No. 4 companion clock for telephone exchange primary clock, c.1930.

Measurements:
Overall: 80 mm x 460 mm x 460 mm,
Materials:
metal (unknown) and bakelite
Object Number:
Y2003.22.22
type:
manual telephone exchange time clock
Image ©
The Board of Trustees of the Science Musuem
Companion clock for telephone exchange primary clock

Companion clock for telephone exchange primary clock

Companion clock for telephone exchange, primary clock by the Chloride Gent Co.

Measurements:
Overall: 70 mm, 198 mm, 1.16 kg
Object Number:
Y2003.22.23
type:
manual telephone exchange time clock
Image ©
The Board of Trustees of the Science Museum
Victorian underground telephone cable marker

Victorian underground telephone cable marker

Victorian underground telephone cable marker, made in around 1870.

Measurements:
overall: 800 mm x 260 mm x 380 mm, 30 kg
Materials:
cast iron
Object Number:
Y2003.22.24
type:
telephone cable marker
Image ©
The Board of Trustees of the Science Museum
Edwardian underground telephone cable marker

Edwardian underground telephone cable marker

Edwardian cast-iron underground telephone cable marker.

Measurements:
overall: 780 mm x 170 mm x 380 mm, 22 kg
Materials:
cast iron
Object Number:
Y2003.22.25
type:
telephone cable marker
Image ©
The Board of Trustees of the Science Museum
Underground telephone cable marker

Underground telephone cable marker

Cast-iron underground telephone cable marker from the reign of King George VI (1936-1952).

Measurements:
overall: 800 mm x 180 mm x 380 mm, 26 kg
Materials:
cast iron
Object Number:
Y2003.22.26
type:
telephone cable marker
Image ©
The Board of Trustees of the Science Museum
Telescopic overhead wire checker

Telescopic overhead wire checker

Telescopic overhead wire checker, and has an extendable (plastic and wood?) pole, with inscription: ‘BI/IC 127549’.

Measurements:
Overall: 40 mm x 40 mm x 1150 mm, 1 kg
Materials:
metal (unknown) and plastic (unidentified)
Object Number:
Y2003.22.27
type:
telephone overhead line tool
Image ©
The Board of Trustees of the Science Museum
Telephone pole finial

Telephone pole finial

Aluminium finial for telephone pole, made in around 1960.

Measurements:
overall: 570 mm x 235 mm x 235 mm, 3.6 kg
Materials:
aluminium (metal)
Object Number:
Y2003.22.28
type:
telephone pole finial
Image ©
The Board of Trustees of the Science Museum
Telephone pole finial

Telephone pole finial

Wooden finial for telephone pole, c.1930.

Measurements:
overall: 500 mm x 200 mm x 200 mm, 2.1 kg
Materials:
wood (unidentified)
Object Number:
Y2003.22.29
type:
telephone pole finial
Image ©
The Board of Trustees of the Science Museum
Paper-tape telegraph reader No 161

Paper-tape telegraph reader No 161

Paper-tape telegraph reader No 161, made by Creed & Co. Ltd, London. c.1930.

Measurements:
Overall: 210 mm x 280 mm x 380 mm, 14 kg
Materials:
metal (unknown)
Object Number:
Y2003.22.31
type:
telegraph receiver
Image ©
The Board of Trustees of the Science Museum

BT portable computer

BT portable computer, with VT52 terminal emulator, associated with TXB4 electronic exchanges, made by Microscribe Ltd, Cwmbran, 1983. User manual inside the box.

Measurements:
Overall: 45 mm x 185 mm x 195 mm,
Object Number:
Y2003.22.35
type:
portable microcomputer
Image ©
The Board of Trustees of the Science Musuem

'Royal' typewriter, c.1930

'Royal' typewriter, c.1930

Measurements:
Overall: 320 mm x 600 mm x 390 mm,
Object Number:
Y2003.22.39
type:
typewriter
Image ©
The Board of Trustees of the Science Musuem

Coil of green copper wire

Coil of green copper wire, c.1960

Measurements:
Overall: 360 mm,
Object Number:
Y2003.22.40
type:
telephone cable
Image ©
The Board of Trustees of the Science Musuem
Lead underground telephone cable section and joint

Lead underground telephone cable section and joint

Lead underground telephone cable section and joint, c.1950

Measurements:
overall: 100 mm x 370 mm x 1260 mm, 10 kg
Object Number:
Y2003.22.41
type:
telephone cable
Image ©
The Board of Trustees of the Science Museum
Lead underground telephone cable joint with cable ends

Lead underground telephone cable joint with cable ends

Lead underground telephone cable joint with cable ends, c.1950

Measurements:
Overall: 50 mm x 180 mm x 720 mm,
Object Number:
Y2003.22.42
type:
telephone cable
Image ©
The Board of Trustees of the Science Museum
Lead underground telephone cable joint

Lead underground telephone cable joint

Lead underground telephone cable joint, c.1950

Measurements:
Overall: 60 mm x 60 mm x 760 mm,
Object Number:
Y2003.22.43
type:
telephone cable
Image ©
The Board of Trustees of the Science Museum

Telephone cables and wire

Box of miscellaneous telephone cable and wire.

Object Number:
Y2003.22.44
type:
telephone cable
Image ©
The Board of Trustees of the Science Musuem

Linesman's Test Telephone

Linesman's test telephone No. 280 made by the General Post Office in 1965.

Measurements:
overall: 95 mm x 100 mm x 310 mm,
Materials:
plastic (unidentified) and metal (unknown)
Object Number:
Y2003.22.45
type:
telephone
Image ©
The Board of Trustees of the Science Musuem
Telephone switch room chair

Telephone switch room chair

Wooden chair for switch room, c.1920.

Measurements:
overall: 845 mm x 400 mm x 465 mm,
Materials:
wood (unidentified)
Object Number:
Y2003.22.46
type:
telephone switch room chair
Image ©
The Board of Trustees of the Science Museum
Wicker waste-paper basket.

Wicker waste-paper basket.

Wicker waste-paper basket.

Measurements:
Overall: 360 mm x 400 mm x 400 mm,
Object Number:
Y2003.22.47
type:
telephone exchange waste-paper basket
Image ©
The Board of Trustees of the Science Museum
GPO armoured payphone, c.1980.

GPO armoured payphone, c.1980.

GPO armoured payphone, c.1980.

Measurements:
Overall: 640 mm x 280 mm x 220 mm,
Object Number:
Y2003.22.48
type:
telephone payphone
Image ©
The Board of Trustees of the Science Museum

Red kiosk payphone.

Red kiosk payphone.

Measurements:
Overall: 540 mm x 230 mm x 230 mm,
Object Number:
Y2003.22.49
type:
payphone
Image ©
The Board of Trustees of the Science Musuem
Prototype coin box payphone

Prototype coin box payphone

Prototype British Telecom coin box payphone, c.1980

Measurements:
overall: 535 mm x 290 mm x 360 mm,
Materials:
stainless steel and plastic (unidentified)
Object Number:
Y2003.22.50
type:
payphone
Image ©
The Board of Trustees of the Science Museum
Telephone testing set

Telephone testing set

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.

Measurements:
Overall: 240 mm x 260 mm x 770 mm,
Materials:
metal (unknown) , plastic (unidentified) and wood (unidentified)
Object Number:
Y2003.22.51
type:
telephone tester. megger
Image ©
The Board of Trustees of the Science Museum
Telephone cable test unit made by H. W. Sullivan Ltd

Telephone cable test unit made by H. W. Sullivan Ltd

Telephone cable test unit made by H. W. Sullivan Ltd, c.1950

Measurements:
Overall: 520 mm x 200 mm x 500 mm,
Object Number:
Y2003.22.55
type:
telephone lineman's equipment
Image ©
The Board of Trustees of the Science Museum
Air pump for cleaning manual switchboards

Air pump for cleaning manual switchboards

Air pump for cleaning manual switchboards, made in around 1920.

Measurements:
overall: 50 mm x 50 mm x 540 mm,
Materials:
wood (unidentified)
Object Number:
Y2003.22.56
type:
telephone exchange cleaning equipment
Image ©
The Board of Trustees of the Science Museum
Teletetra fire extinguisher with box

Teletetra fire extinguisher with box

Teletetra fire extinguisher made by Samuel Jones and Co., London, 1954. With box.

Measurements:
overall: 150 mm x 130 mm x 80 mm,
Materials:
metal (unknown)
Object Number:
Y2003.22.58
type:
fire extinguisher
Image ©
The Board of Trustees of the Science Museum
Telephone switch

Telephone switch

Small, metal, black box. ‘4’ embossed on metal. Fittings attached inside.

Wokshop telephone switch.

Measurements:
Overall: 150 mm x 220 mm x 260 mm, 6 kg
Materials:
metal (unknown)
Object Number:
Y2003.22.60
type:
telephone switch
Image ©
The Board of Trustees of the Science Museum
Pole top plug made by the National Telephone Co. Ltd

Pole top plug made by the National Telephone Co. Ltd

Pole top plug made by the National Telephone Co. Ltd, c.1900

Measurements:
Overall: 660 mm x 70 mm x 130 mm,
Object Number:
Y2003.22.61
type:
telephone pole head
Image ©
The Board of Trustees of the Science Museum
Post Office telephone noticeboard

Post Office telephone noticeboard

General Post Office telephone sales noticeboard, c.1950.

Measurements:
overall: 615 mm x 55 mm x 415 mm, 2.9 kg
Materials:
metal (unknown)
Object Number:
Y2003.22.63
type:
telephone sales notice board
Image ©
The Board of Trustees of the Science Museum
22 volt ringing generator

22 volt ringing generator

22 volt ringing generator made by the Lancashire Dynamo & Motor Co. Ltd in 1896.

Measurements:
overall: 350 mm x 420 mm x 850 mm,
Materials:
metal (unknown)
Object Number:
Y2003.22.64
type:
generator
Image ©
The Board of Trustees of the Science Museum
General Post Office visual index file

General Post Office visual index file

GPO visual index file with dialling codes, dating from around 1920.

Measurements:
Overall: 80 mm x 375 mm x 115 mm, 1.15 kg
Object Number:
Y2003.22.65
type:
telephone visual index file
Image ©
The Board of Trustees of the Science Museum
Resistance test box made by Gambrell Brothers and Co. Ltd

Resistance test box made by Gambrell Brothers and Co. Ltd

Resistance test box made by Gambrell Brothers and Co. Ltd, London, c.1950

Measurements:
Overall: 125 mm x 125 mm x 215 mm, 1.84 kg
Object Number:
Y2003.22.73
type:
telephone tester, fault locator
Image ©
The Board of Trustees of the Science Museum
Telephone Pole Top Section

Telephone Pole Top Section

Telephone pole top section, c.1955

Measurements:
Overall: 820 mm x 530 mm x 530 mm,
Object Number:
Y2003.22.75
type:
telephone pole top
Image ©
The Board of Trustees of the Science Museum

Demonstration Underground Cable

Demonstration underground telephone cable joint, made in around 1970.

Measurements:
overall: 85 mm x 780 mm x 92 mm,
Materials:
copper (alloy) and polyvinyl chloride (PVC)
Object Number:
Y2003.22.77
type:
telephony cable
Image ©
The Board of Trustees of the Science Musuem

Power switchboard circuit breaker

Power switchboard circuit breaker, made by the the Record Electrical Co. Ltd, Broadheath, c.1950.

Measurements:
Overall: 330 mm x 310 mm x 130 mm,
Object Number:
Y2003.22.78
type:
manual telephone exchange switching equipment
Image ©
The Board of Trustees of the Science Musuem

Precision test unit by H. Tinsley & Co.

Precision test unit by H. Tinsley & Co., London, c.1920

Measurements:
Overall: 260 mm x 930 mm x 2000 mm,
Object Number:
Y2003.22.85
type:
telephone tester, measuring set
Image ©
The Board of Trustees of the Science Musuem

General Post Office K8 Mk II public telephone kiosk

General Post Office K8 Mk II public telephone kiosk, made in around 1980.

Measurements:
overall: 2440 mm x 930 mm x 930 mm, 600 kg
Materials:
metal (unknown)
Object Number:
Y2003.22.86
type:
telephone kiosk
Image ©
The Board of Trustees of the Science Museum
Picture receiver type D-356-B

Picture receiver type D-356-B

Picture receiver type D-356-B, made by Muirhead-Jarvis, c.1950.

Measurements:
overall: 1280 mm x 540 mm x 920 mm,
Materials:
metal (unknown)
Object Number:
Y2003.22.91
type:
picture receiver
Image ©
The Board of Trustees of the Science Museum

Microwave dish used at the Kirk O' Shotts television signal repeater station

Microwave dish used at the Kirk O' Shotts television signal repeater station, Scotland.

Measurements:
overall: 2160 mm x 690 mm x 2430 mm, 111 kg
Materials:
metal (unknown)
Object Number:
Y2003.22.92
type:
microwave dish
Image ©
The Board of Trustees of the Science Museum
Wall-mounted telephone

Wall-mounted telephone

Wall-mounted telephone, made by the British L. M. Ericsson Manufacturing Co. Ltd, Beeston, Nottinghamshire, c. 1900.

Measurements:
720 mm x 280 mm x 240 mm,
Object Number:
Y2003.22.93
type:
wall telephone
Jubilee 700 series telephone

Jubilee 700 series telephone

Blue QEII Silver Jubilee 700 Series telephone, 1977.

Measurements:
overall: 155 mm x 145 mm x 225 mm, 1.7 kg
Materials:
metal (unknown) and plastic (unidentified)
Object Number:
Y2003.22.95
type:
table telephone
Image ©
The Board of Trustees of the Science Museum

Ivory telephone set 107/ 625

Ivory telephone set 107/ 625, made in the 1960s.

Measurements:
overall: 160 mm x 270 mm x 265 mm,
Materials:
plastic (unidentified) and metal (unknown)
Object Number:
Y2003.22.96
type:
telephone
Image ©
The Board of Trustees of the Science Musuem
Ericofon one-piece telephone

Ericofon one-piece telephone

Ericofon Model 700 one-piece telephone with keypad, made by Telefonaktiebolaget L. M. Ericsson, Sweden, c.1976.

Measurements:
overall: 215 mm x 110 mm x 80 mm,
Materials:
plastic (unidentified) and metal (unknown)
Object Number:
Y2003.22.98
type:
table telephone
Image ©
The Board of Trustees of the Science Museum

Dummy telephone type 722F

Dummy telephone type 722F, made by the General Post Office, Cwmcarn, 1972.

Measurements:
Overall: 110 mm x 190 mm x 110 mm,
Materials:
plastic (unidentified)
Object Number:
Y2003.22.99
type:
table telephone
Image ©
The Board of Trustees of the Science Musuem
Ericofon telephone

Ericofon telephone

Ericofon Model 600 Type SR1007B telephone, made by Telefonaktiebolaget L. M. Ericsson, Sweden, c.1980.

Measurements:
overall: 215 mm x 115 mm x 100 mm,
Materials:
plastic (unidentified) and metal (unknown)
Object Number:
Y2003.22.101
type:
table telephone
Image ©
The Board of Trustees of the Science Museum

Viscount 9501R Telephone

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.

Measurements:
Overall: 78 mm x 142 mm x 225 mm,
Materials:
plastic (unidentified) and metal (unknown)
Object Number:
Y2003.22.102
type:
telephone
Image ©
The Board of Trustees of the Science Musuem

Retro Model 8005 Candlestick Telephone

Retro Model 8005 candlestick telephone , made by A. P. Besson Ltd, Hove, 1984, from components supplied by the American Telecommunications Corporation.

Measurements:
overall: 300 mm x 195 mm x 165 mm,
Materials:
plastic (unidentified) and metal (unknown)
Object Number:
Y2003.22.103
type:
telephone
Image ©
The Board of Trustees of the Science Musuem

Push-Button Table Telephone

Reproduction push-button table telephone, made by Astral Telecom Ltd in around 1980.

Measurements:
overall: 213 mm x 260 mm x 212 mm,
Materials:
metal (unknown) and plastic (unidentified)
Object Number:
Y2003.22.105
type:
table telephone
Image ©
The Board of Trustees of the Science Musuem
700 Series table telephone

700 Series table telephone

Typical 700 Series table telephone, made by STC Consumer Electronics, Cwmcarn, Wales, c.1965.

Measurements:
overall: 130 mm x 120 mm x 150 mm, 1.3 kg
Materials:
plastic (unidentified) and metal (unknown)
Object Number:
Y2003.22.107
type:
table telephone
Image ©
The Board of Trustees of the Science Museum

Wooden 'Système Ader' Table Telephone

Wooden 'Système Ader' table telephone made by La Société Generale des Téléphones, France, c.1910.

Materials:
wood (unidentified) , metal (unknown) and textile
Object Number:
Y2003.22.108
type:
telephone
Image ©
The Board of Trustees of the Science Musuem

Type 121 wall telephone, 1912

Type 121 wall telephone, made by the Automatic Electric Company, Chicago, United States, 1912.

More

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.

Measurements:
Overall: 220 mm x 145 mm x 225 mm, 2.7 kg
Materials:
wood (unidentified) , metal (unknown) , plastic (unidentified) and textile
Object Number:
Y2003.22.109
type:
telephone
Image ©
The Board of Trustees of the Science Museum

Model SR1002A Contempra Telephone

Model SR1002A Contempra (Brown) table telephone, made by GEC-AEI Telecommunications, Newton Aycliffe, County Durham, and issued by Post Office Telecommunications in 1979.

Measurements:
overall: 90 mm x 140 mm x 233 mm, 1.45 kg
Materials:
plastic (unidentified) and metal (unknown)
Object Number:
Y2003.22.111
type:
table telephone
Image ©
The Board of Trustees of the Science Musuem
Bakelite wall telephone

Bakelite wall telephone

Bakelite magneto granular wall telephone

Object Number:
Y2003.22.112
type:
wall telephone
Distribution file box.

Distribution file box.

Distribution file box.

Measurements:
Overall: 380 mm x 255 mm x 230 mm,
Materials:
wood and metal
Object Number:
Y2003.22.146
type:
telephone distribution file box
Image ©
The Board of Trustees of the Science Museum

Telephone power unit 50A, 1961

Telephone power unit 50A, 1961

Measurements:
Overall: 180 mm x 190 mm x 300 mm,
Object Number:
Y2003.22.147
type:
automatic telephone exchange, power equipment
Image ©
The Board of Trustees of the Science Musuem

Bridge Megger resistence tester made by Evershed and Vignoles

Bridge Megger resistence tester made by Evershed and Vignoles, Chiswick, c.1950, with plastic tube.

Measurements:
Overall: 170 mm x 200 mm x 300 mm,
Object Number:
Y2003.22.148
type:
telephone tester, megger
Image ©
The Board of Trustees of the Science Musuem
Dial impulse and speed tester No. 43 made by the Automatic Telephone & Electric Company Ltd

Dial impulse and speed tester No. 43 made by the Automatic Telephone & Electric Company Ltd

Dial impulse and speed tester No. 43 made by the Automatic Telephone & Electric Company Ltd, c.1958

Measurements:
Overall: 200 mm x 85 mm x 100 mm, .88 kg
Object Number:
Y2003.22.149
type:
telephone overhead line tester
Image ©
The Board of Trustees of the Science Museum
Teleprinter No. 15 test set

Teleprinter No. 15 test set

Teleprinter No. 15 test set, made by Creed and Co. Ltd, London, c.1950

Measurements:
Overall: 1270 mm x 510 mm x 870 mm,
Materials:
steel (metal) and plastic (unidentified)
Object Number:
Y2003.22.153
type:
teleprinter tester
Image ©
The Board of Trustees of the Science Museum
Bellset No. 20.

Bellset No. 20.

Bellset No. 20 and original box.

Measurements:
Overall: 240 mm x 160 mm x 190 mm,
Object Number:
Y2003.22.154
type:
telephone bell
Image ©
The Board of Trustees of the Science Museum
Black candlestick telephone No. 2 with transmitter no. 1

Black candlestick telephone No. 2 with transmitter no. 1

Black candlestick telephone No. 2 with transmitter no. 1, 1920.

Measurements:
overall: 300 mm x 150 mm x 180 mm, 2.35 kg
Materials:
metal (unknown) and wood (unidentified)
Object Number:
Y2003.22.155
type:
table telephone
Image ©
The Board of Trustees of the Science Museum

Carbon pencil microphone transmitter

Carbon pencil microphone transmitter, as used in Gower-Bell telephones.

Measurements:
Overall: 10 mm x 50 mm x 110 mm,
Object Number:
Y2003.22.157
type:
telephone transmitter
Image ©
The Board of Trustees of the Science Musuem
Public telephone sign

Public telephone sign

National Telephone Company enamel sign for a public telephone, made in around 1905.

Measurements:
overall: 1 mm x 210 mm x 360 mm,
Materials:
metal (unknown) and enamel
Object Number:
Y2003.22.158
type:
telephone call office sign
Image ©
The Board of Trustees of the Science Museum

Filter unit WB 400A for the UK early warning system from voice telephone signals

Filter unit WB 400A for the UK early warning system from voice telephone signals, c.1964

Measurements:
110 mm x 30 mm x 50 mm,
Object Number:
Y2003.22.159
type:
telephone exchange accessory
Image ©
The Board of Trustees of the Science Musuem

Bellset no. 26 made by the General Post Office

Bellset no. 26 made by the General Post Office, Cwmcarn, 1960

Measurements:
Overall: 205 mm x 50 mm x 165 mm,
Object Number:
Y2003.22.160
type:
telephone bell
Image ©
The Board of Trustees of the Science Musuem

Telephone fuse heat coil and tester no. 1

Telephone fuse heat coil and tester no. 1, c.1950

Measurements:
Overall: 115 mm x 70 mm x 65 mm,
Object Number:
Y2003.22.161
type:
telephone testing coil
Image ©
The Board of Trustees of the Science Musuem

Telephone fuse box 1 2/2

Telephone fuse box 1 2/2, 1887.

Measurements:
Overall: 120 mm x 55 mm x 75 mm,
Object Number:
Y2003.22.162
type:
telephone fuse box
Image ©
The Board of Trustees of the Science Musuem