The Velox book : the working of a simple paper told in simple terms (1915)
[Tacoma, Wash. : French Drug Co.] · leaf 40
Dez'elofed in M. Q. half as strong as that advised in instruction sheet. Developed in M. Q. strength as advised in instruction sheet. Undoubtedly the paper absorbs moisture un- evenly and in certain spots becomes re- pellent to the action of an incorrect devel- 3S
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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