Switch Box, U Plug type
Switch Box; U Plug type; for use in signal boxes with "Omnibus Telephone"
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1976-9210
- type:
- switch box
- credit:
- British Rail S & T Dept., York
Switch Box; U Plug type; for use in signal boxes with "Omnibus Telephone"