Sullivan and Griffiths substandard wavemeter, type R209, 1947
Sullivan and Griffiths substandard wavemeter, type R209, 1947
- Measurements:
-
overall: 580 mm x 860 mm x 500 mm,
- Materials:
- wood (unidentified) and metal (unknown)
- Object Number:
- 1971-105/16
- type:
- wavemeter