five-line single cord switchboard, 1900-1909

1900-1909 in United Kingdom

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Five-line single cord switchboard, Britsh, early 1900s. Each line terminates in a jack socket on the panel, and in a
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Five-line single cord switchboard, unknown maker, British, 1900-1909.

This telephone switchboard would have been used in small offices, where only a few telephone lines were needed. Each line terminates in a socket, called a 'jack', on the panel, and in a plug at the end of a cord. The sixth plug and jack are part of the operator's telephone circuit. To connect two subscribers the operator inserted the plug of the required subscriber's line into the jack of the caller's line.

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Science Museum: Information Age Gallery: Exchange

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Object Number:
cotton (fibre), metal (unknown) and wood (unidentified)
  • components
  • components
Donated by the Post Office Telecommunications Museum

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