Milner extinction calculator
Milner extinction calculator, made by G. M. Milner, San Francisco. Extinction type meter, disc shaped. Reflected light seen through filter is compared with density of rotating step wedge. (M4463)
Details
- Category:
- Photographic Technology
- Collection:
- Kodak Collection
- Object Number:
- 1990-5036/542
- type:
- extinction calculator
- credit:
- The Kodak Collection at the National Media Museum, Bradford
