Rack of equipment from Empress (West Kensington) PCM tandem exchange, 1968

Made:: 1968 in Post Office Research Station, Dollis Hill

Rack of equipment from Empress (West Kensington) PCM tandem

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

Rack of equipment from Empress (West Kensington) PCM tandem
Science Museum Group Collection
© The Board of Trustees of the Science Museum

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

Rack of equipment from Empress (West Kensington) PCM tandem
Science Museum Group Collection
© The Board of Trustees of the Science Museum

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

Details

Category:: Telecommunications

Object Number:: 1979-542

Materials:: plastic (unidentified), metal (unknown) and electronic components

Measurements:: Rack unit: 3210 mm x 1080 mm x 620 mm, 323 kg
Pallet of circuit boards: 190kg

type:: telephone exchange

credit:: Donated by the Post Office Research Station

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Parts

Rack from Empress telephone exchange, 1968

Rack from Empress PCM Tandem Exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968

Measurements:: overall: 3210 mm x 1080 mm x 570 mm, 343 kg

Materials:: plastic (unidentified) , metal (unknown) , glass and composites

Object Number:: 1979-542 Pt1

type:: telephone exchange

Circuit boards from Empress Exchange, 1968

Circuit Boards from Empress PCM Tandem Exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968

Measurements:: overall: 190 kg

Materials:: plastic (unidentified) , metal (unknown) and electronic components

Object Number:: 1979-542 Pt2

type:: circuit board

ROUTINER I circuit board from Empress Exchange, 1968

Circuit board ROUTINER I, shelf 5, pos 4, from the Empress Exchange (West Kensington) PCM tandem exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968

Materials:: plastic (unidentified) , metal (unknown) and electronic components

Object Number:: 1979-542 Pt3

type:: circuit board

ROUTINER II circuit board from Empress Exchange, 1968

ROUTINER II circuit board from Empress Exchange, 1968

Circuit board ROUTINER II, shelf 7, pos 6., from the Empress Exchange (West Kensington) PCM tandem exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968

Materials:: plastic (unidentified) , metal (unknown) and electronic components

Object Number:: 1979-542 Pt4

type:: circuit board

STORES 007 circuit board from Empress Exchange, 1968

Circuit board STORES 007, shelf 3, pos 6., from the Empress Exchange (West Kensington) PCM tandem exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968

Materials:: plastic (unidentified) , metal (unknown) and electronic components

Object Number:: 1979-542 Pt5

type:: circuit board

S.BUF 035 circuit board from Empress Exchange, 1968

Circuit board S.BUF 035, shelf 9, pos 6., from the Empress Exchange (West Kensington) PCM tandem exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968

Materials:: plastic (unidentified) , metal (unknown) and electronic components

Object Number:: 1979-542 Pt6

type:: circuit board

Circuit boards from Empress Exchange, 1968

Circuit boards, combined, REG B 003 and 3B, shelf 9, pos 4., from the Empress Exchange (West Kensington) PCM tandem exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968

Materials:: plastic (unidentified) , metal (unknown) and electronic components

Object Number:: 1979-542 Pt7

type:: circuit board

Circuit board from the Empress Exchange, 1968

Circuit board, shelf 8, pos 3. from the Empress Exchange (West Kensington) PCM tandem exchange, made by the Post Office Research Centre, Dollis Hill, London, England, 1968

Materials:: plastic (unidentified) , metal (unknown) and electrical components

Object Number:: 1979-542 Pt8

type:: circuit board

pipe and mounting bracket from Empress Exchange, 1968

Black pipe and mounting bracket from Empress PCM Tandem Exchange, Post Office Research Centre, Dollis Hill, 1968

Object Number:: 1979-542 Pt9

type:: pipe

Miscellaneous parts from Empress Exchange, 1968

Miscellaneous parts from exchange and circuit boards, including detached labels, screws and knobs. From Empress PCM Tandem Exchange, Post Office Research Centre, Dollis Hill, 1968