Telephone cable damaged by fusion at Manchester

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License this image for commercial use at Science and Society Picture Library

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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

14-wire cable damaged by fusion at Manchester

The cable contains a number of paper-insulated copper wires enclosed in a lead sheath. These cables were laid underground and were used mostly for telegraph circuits but sometimes also for telephone circuits. On this specimen the lead sheath has corroded away completely in one place, the damage probably being caused by stray electric currents leaking from a nearby electric tramway. The specimen was probably kept at the time as a good example of this kind of damage, and it was eventually preserved in the BT historical collection. It was acquired by the Science Museum, along with about 150 other items, when the BT collection was dispersed in 2003.

Details

Category:
Telecommunications
Object Number:
2004-187
credit:
BT Group plc
status:
Permanent collection

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