The 19th century gum bichromate process in 21st century concept and techniques « Gum Bichromates « Formulas And How-To « AlternativePhotography.com

Christina Z. Anderson gives us the “why and how” of the gum process, including making negatives.Share this:Click to email this to a friend (Opens in new window)Click to print (Opens in n…

Source: The 19th century gum bichromate process in 21st century concept and techniques « Gum Bichromates « Formulas And How-To « AlternativePhotography.com