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.
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial4921dodg-24-54.webp)