Ultra short wave signal generator no.1
- Made:
- 1939
- maker:
- Marconi Company Limited
Ultra short wave signal generator no.1 (ZB 6611) manufactured by Marconi Instruments Ltd. (TF 390G, s/n 20363), c. 1939
Ultra short wave signal generator no.1 (ZB 6611) manufactured by Marconi Instruments Ltd. (TF 390G, s/n 20363), c. 1939