Collection

Mercury tube switch

Mercury tube switch photographed from above on a white

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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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