Bromide paper : instructions for contact printing and enlarging (1896)
Just, E. A · Bradford : P. Lund, Humphries · leaf 23
n. Only when the available sky is narrowly bounded by buildings, or by the refle(5fed light of a white wall or white cloud, will it be necessary to consider the direc5fion of the rays. Secondly : It will be at once seen that by exposing close to an artificial light, every movement out of the… … Fig. 2. oblique position will in itself cause a further decrease in the intensity of the exposure over the whole plate. How important this rule is when working close to an artificial light, and how easily small and apparently trifling errors become enlarged to greater and more serious ones, the…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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