Stock photo and image search by Science & Society Picture Library

10212220
Wheatstone double needle instrument housed

10212220

Wheatstone double needle instrument housed

10278732
One model of early telephone switchboard. W

10278732

One model of early telephone switchboard. W

10303912
Chart of Post Office Radio-Telephone Servic

10303912

Chart of Post Office Radio-Telephone Servic

10303911
'Working Late at the Office'. Picture postc

10303911

'Working Late at the Office'. Picture postc

10257197
Poster of a woman and her dog next to a red

10257197

Poster of a woman and her dog next to a red

10305375
Wartime poster entitled 'Stop! Think twice

10305375

Wartime poster entitled 'Stop! Think twice

10305374
Poster entitled 'Ring Us Up! We are on the

10305374

Poster entitled 'Ring Us Up! We are on the

10305386
'Telephone Your Orders'. GPO poster.

10305386

'Telephone Your Orders'. GPO poster.

10257192
'6,550,000 Calls daily', 1946. Poster by Ma

10257192

'6,550,000 Calls daily', 1946. Poster by Ma

10257257
Poster advertising The National Telephone C

10257257

Poster advertising The National Telephone C

10257264
Telephone Services. Advertisement.

10257264

Telephone Services. Advertisement.

10311456
Poulsen's Telegraphone, 1904. Illustration

10311456

Poulsen's Telegraphone, 1904. Illustration

10311452
Proposed telephone repeater, 1900. This is

10311452

Proposed telephone repeater, 1900. This is

10311451
Poulsen's Telegraphone, 1903. Illustration

10311451

Poulsen's Telegraphone, 1903. Illustration

10305432
Poulsen telegraphone, c 1903. Clock-work-dr

10305432

Poulsen telegraphone, c 1903. Clock-work-dr

10313110
Type of Vacuum Tube used in long distance r

10313110

Type of Vacuum Tube used in long distance r

10433077
Dictograph loudspeaking ‘master’ house-telephone unit, c 1940.

10433077

Dictograph loudspeaking ‘master’ house-telephone unit, c 1940.

10460768
Camera and hood for photographing ‘phone-call meters, c 1965.

10460768

Camera and hood for photographing ‘phone-call meters, c 1965.

10213649
Three of the first microphones, 1878.

10213649

Three of the first microphones, 1878.

10460770
Camera and hood for photographing ‘phone-call meters, c 1965.

10460770

Camera and hood for photographing ‘phone-call meters, c 1965.

10460769

Camera and hood for photographing ‘phone-call meters, c 1965.

10321373
Officials in the wireless room on the 'Viceroy of India', 19 Febuary 1934.

10321373

Officials in the wireless room on the 'Viceroy of India', 19 Febuary 1934.

10212390
Hughes microphones and apparatus, c.1880s.

10212390

Hughes microphones and apparatus, c.1880s.

10459353
Continuous wave burst set, c 1980.

10459353

Continuous wave burst set, c 1980.

10213485
Strowger electromechanical selector and director equipment, 1960-1975.

10213485

Strowger electromechanical selector and director equipment, 1960-1975.

10460767
Camera and hood for photographing ‘phone-call meters, c 1965.

10460767

Camera and hood for photographing ‘phone-call meters, c 1965.

10459354
Continuous wave burst set, c 1980.

10459354

Continuous wave burst set, c 1980.

10465163

Telephone wiring, 1966.

10433079
Dictograph loudspeaking ‘master’ house-telephone unit, c 1940.

10433079

Dictograph loudspeaking ‘master’ house-telephone unit, c 1940.

10325145

Three-nail microphone, c 1878.

10433078
Dictograph loudspeaking ‘master’ house-telephone unit, c 1940.

10433078

Dictograph loudspeaking ‘master’ house-telephone unit, c 1940.

10305569

Brown repeater, c 1900s.

10325779

Brown repeater, c 1918.

10213645

Three-nail microphone, c 1878.

10308932
Televising the telephone board at Faraday House in London, 29 January 1939.

10308932

Televising the telephone board at Faraday House in London, 29 January 1939.

10308934

Televising the telephone board at Faraday House in London, 29 January 1939.

10257253
Frequency Division Multiplex Equipment. Mod

10257253

Frequency Division Multiplex Equipment. Mod

10250697
Switchboard operator preparing to take up h

10250697

Switchboard operator preparing to take up h

10447269
Telephone exchange operators, May 1971.

10447269

Telephone exchange operators, May 1971.

10250610
Electronic digital accounting system. c 1960s.

10250610

Electronic digital accounting system. c 1960s.

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