Specifies a means of identifying the emulsion side of roll film and 35 mm film, for still picture cameras, which carry edge markings. The disposition of these edge markings (letters, figures or arrows) provides an easy means for identifying the two sides of the film.

Original price was: $264.16.$132.00Current price is: $132.00.
Specification for the identification of the emulsion side of edge-marked roll film for still picture cameras
BSI Group , 09/12/1962
Pages: 8
