The Polymer Etching Test
An etching technique in which a black and white slide is exposed and developed on a polymer-coated metal plate, after which it is inked and put under the press.
An etching technique in which a black and white slide is exposed and developed on a polymer-coated metal plate, after which it is inked and put under the press.
ALBUMEN PRINTS were invented in 1850. It produced a clearer image than the salted paper print. It was made by coating paper with a layer of egg white and salt to produce a print.
