Poster of key token instrument
Poster, framed. Key token instrument balancing magazine, showing two photographs of the instrument with keys inserted. Published by the Railway Signal Company. Used as a teaching aid for classes at the Lancashire and Yorkshire Railway Signalling School.
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1995-7856/74
- Materials:
- wood (unidentified) and paper (fibre product)
- type:
- poster
