alpha-paper
Al"pha pa"per. (Photog.) Defn: A sensitized paper for obtaining positives by artificial light. It is coated with gelatin containing silver bromide and chloride. [Eng.]
Al"pha pa"per. (Photog.) Defn: A sensitized paper for obtaining positives by artificial light. It is coated with gelatin containing silver bromide and chloride. [Eng.]