Specimen of the first transatlantic telephone cable, deep sea type, 1956

Made:
1956 in Erith
maker:
Submarine Cables Limited
Specimen of the first trans-Atlantic telephone cable, deep-sea type, made by Submarine Cables Limited, Erith,

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Specimen of the first trans-Atlantic telephone cable, deep-sea type, made by Submarine Cables Limited, Erith,
Science Museum Group Collection
© The Board of Trustees of the Science Museum

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

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

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

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

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

Specimen of the first transatlantic telephone cable, deep-sea type, made by Submarine Cables Limited, Erith, London, England, 1956.

Also known as TAT-1, the first transatlantic telephone cable was laid between Oban, Scotland, and Newfoundland. The project was announced by the Postmaster General on December 1953, and was a joint venture between the General Post Office of the UK, the American Telephone and Telegraph Company, and the Canadian Overseas Telecommunications Corporation. Between 1955 and 1956, two cables were laid - one for each direction of speech. The deep sea part of the cable had a lighter, high-tensile steel armouring compared to the shore ends. TAT-1 remained in use without failure until 1978, being withdrawn from service because of the installation of much higher capacity cables across the Atlantic.

Details

Category:
Telecommunications
Object Number:
1960-136
Materials:
copper (alloy), plastic (unidentified), steel (metal) and wax
type:
cable
taxonomy:
credit:
Donated by Submarine Cables Limited