![](https://coimages.sciencemuseumgroup.org.uk/423/789/medium_thumbnail_1994_8772__0004_.jpg)
Caledonian Semaphore signal arm with spectacle
- maker:
- Caledonian Railway
Semaphore signal arm with spectacle, green glass missing, home lower quadrant, Caledonian Railway.
Semaphore signal arm with spectacle, green glass missing, home lower quadrant, Caledonian Railway.