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Title: Ilford stop wedge screen gradation 0 [Go to resource]
Description: 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. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Ilford (maker) Identifier: 1927-1982 Go to resource More Like this...
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