Practical photography on glass and paper ; a manual containing simple directions for the production of portraits, views, & c., by the agency of light, including the collodion, albumen, calotype, waxed paper, and positive paper processes (1854)
Long, Charles A · London, Bland & Long · leaf 19
ther, one that has been passed through several clean waters to free it from the dressing that exists in it at the time of purchasing. There is no occasion whatever for the use of nitric acid, potash, soda, or ammonia ; all of these substances increase the chances of accident, without giving a…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.