Its film packs contain jelly-like developer-fixer reagents, negative film, and positive light-insensitive white paper. After exposure, the film is pressed against the paper by steel rolls; the reagents are spread between the 
Its film packs contain jelly-like developer-fixer reagents, negative film, and positive light-insensitive white paper. After exposure, the film is pressed against the paper by steel rolls; the reagents are spread between the film and the paper; and a positive image is formed by diffusion on the receiving sheet. FTP, name the optical system devised in 1947 by the American physicist Edwin Land, the first to create a finished black-and-white photograph in one minute.
Its film packs contain jelly-like developer-fixer reagents, negative film, and positive light-insensitive white paper.
Polaroid camera