Light Valve
- PART OF:
- Three "Light Valves"
"Light valve" used in sound-on-film recording
Details
- Category:
- Cinematography
- Object Number:
- 1980-389/2
- Measurements:
-
overall: 45 mm x 140 mm x 44 mm, .55 kg
- type:
- valve
- credit:
- The National Media Museum, Bradford
