Mercury switch
- Made:
- circa 1950 in United Kingdom
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Science Museum Group Collection
© The Board of Trustees of the Science Museum
Mercury tube type 8-40A for a mercury tilt switch.
Details
- Category:
- Telecommunications
- Object Number:
- Y2003.22.120.3
- Measurements:
-
Overall: 60 mm x 120 mm, 638 g
- type:
- switching unit
- credit:
- Gift of British Telecommunications plc
