Post Office heavy-duty telephone exchange selectors.
- Made:
- 1930
Post Office heavy-duty 25-point 6-level uniselector (1930)
Details
- Category:
- Telecommunications
- Object Number:
- 1970-534
- Materials:
- steel (metal) and copper (alloy)
- Measurements:
-
overall: 80 mm x 150 mm x 140 mm, 1.1 kg
- credit:
- Plessey Telecommunications