Ilford Stop Wedge Screen Gradation 0

Ilford Stop Wedge Screen Gradation 0

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© The Board of Trustees of the Science Museum

Ilford stop wedge screen gradation 0.16 per stop 9" x 7". Ilford (continuous) wedge screen gradation 0.16 per inch, 8 1/2" x 7 1/2". One example of plate characteristic curve obtained by crossed wedge method. One example of use of stop wedge in testing photographic papers.

Details

Category:
Photographic Technology
Object Number:
1927-1982
Measurements:
overall: 40 mm x 270 mm x 216 mm, 1.288 kg
type:
stop wedge screen
credit:
Ilford Limited