
Telegraphic block instrument
- Made:
- London
Telegraphic block instrument, Great Western Railway type Tyer's No. 9 kt instruments, No. 451, by Tyer & Co., London.
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 2001-7984
Telegraphic block instrument, Great Western Railway type Tyer's No. 9 kt instruments, No. 451, by Tyer & Co., London.