Diagram of putting quartz clock right
- Made:
- 1947 in Dollis Hill
- supplier:
- General Post Office
Diagram:- Putting the quartz clock right
Details
- Category:
- Time Measurement
- Object Number:
- 1947-312
- type:
- diagram
- credit:
- BT Museum; General Post Office
Diagram:- Putting the quartz clock right
