Gower, H. D, Jast, L. Stanley (Louis Stanley), 1868-1944, Topley, W. W. C. (William Whiteman Carlton), 1886-1944 · New York : Arno Press · leaf 300
240 THE CAMERA AS HISTORIAN by capillary attraction to the surface only when the paper or glass is touched, the solution keeping fairly fresh for some time. Large surfaces of paper may be treated, both for sensitizing and development. Local intensification and reduction may also be done by this… … Fig. 74. Adjustment of Distances from Object to Lens (Diaphragm), and from Lens to Plate, when Enlarging or Reducing. As the object of which the lens is to produce an image advances to or recedes from it, the distance of the plane of sharp focus recedes from or advances to the lens, according to…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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