Subscribers' meter No. 1A on mounting strip for CB1 exchanges
Subscribers' meter No. 1A on mounting strip for CB1 exchanges, 1937
Details
- Category:
- Telecommunications
- Object Number:
- Y2003.22.255.1
- Measurements:
-
Overall: 35 mm x 150 mm x 475 mm,
- credit:
- Gift of British Telecommunications plc