Robinson, H. P. (Henry Peach), 1830-1901, author, Abney, William de Wiveleslie, Sir, 1843-1920, author, Piper & Carter, publisher · London : Piper & Carter · leaf 56
44 P HINTING FBAMES. When large negatives are to be printed, the plate glass front should always have at least an inch clear all round. For smaller negatives (say 12 by 10 and under) half-an-inch … clear is sufficient. This allows a certain latitude in the position of the negative, and enables the fingers to get at the paper without inconvenience. In the frames in which the front of the negative is unsupported this cannot be the case, and for this reason (as well as those given above) they…
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Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
