a contact printing method in which the image is formed on a coating of sensitized gum containing a suitable colored pigment and potassium or ammonium dichromate. Also called gum dichromate process .
[ 1895-1900 ]
a contact printing method in which the image is formed on a coating of sensitized gum containing a suitable colored pigment and potassium or ammonium dichromate. Also called gum dichromate process .
[ 1895-1900 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012