Sanger-Shepherd Fraction-Tint actinometer

Sanger-Shepherd Fraction-Tint actinometer. Glass tablet step-wedge with 25 steps.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/509
Materials:
glass
type:
actinometer
credit:
The Kodak Collection at the National Media Museum, Bradford