Mercury tube switch

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Mercury tube switch photographed from above on a white
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Mercury tube switch

Details

Category:: Telecommunications

Object Number:: Y2003.22.120.8

Materials:: glass, mercury, copper, metal, plastic and paper

Measurements:: Overall: 70 mm x 30 mm x 40 mm, 233 g

type:: switching unit

credit:: Gift of British Telecommunications plc

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Mercury tube switch

Details

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