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LicenseMercury Switch 303A
Science Museum Group
© The Board of Trustees of the Science Musuem
Mercury switch 303A made by Engel & Gibbs Ltd, c
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Mercury switch 303A made by Engel & Gibbs Ltd, c.1950.
Details
- Category:
- Telecommunications
- Object Number:
- Y2003.22.120.5
- Materials:
- metal (unknown) and glass
- Measurements:
-
overall: 92 mm x 84 mm x 134 mm,
- type:
- telephone component
- credit:
- Gift of British Telecommunications plc
