Cathode ray oscillograph tube type 4224B, by Standard Telephones and Cables Ltd., c.1930
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1986-1385
- type:
- tube
- credit:
- Stevens, G.W.H.
Cathode ray oscillograph tube type 4224B, by Standard Telephones and Cables Ltd., c.1930