GUM BICHROMATE PROCESS


Meaning of GUM BICHROMATE PROCESS in English

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 .