safelight tester

Safelight tester holder for 4 3/4 x 6 1/2 inch plates. Front panel has two apertures 35mm x 45mm each of which can be covered by 4 sliding strips to give stepped exposure. Two wooden feet. 5cm high to give standard seapration from safelight under test.


Photographic Technology
Object Number:
safelight tester
The Kodak Collection at the National Media Museum, Bradford

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