Sullivan and Griffiths substandard wavemeter, type R209, 1947
- Made:
- 1947
Sullivan and Griffiths substandard wavemeter, type R209, 1947
Details
- Category:
- Radio Communication
- Object Number:
- 1971-105
- type:
- wavemeter
- credit:
- Griffiths, W.H.F.
Sullivan and Griffiths substandard wavemeter, type R209, 1947