scope:

THIS STANDARD PROVIDES THE DIMENSIONS AND SPECIFICATIONS FOR CASSETTES AND REELS TO BE USED WITH COMPATIBLY DESIGNED SUPER 8 GAUGE MOTION-PICTURE PROJECTORS.

FOUR MODELS OF CASSETTES ARE SPECIFIED; MODEL A FOR NOMINAL 50-FOOT SIZE REELS, MODEL B FOR NOMINAL 100-FOOT SIZE REELS, MODEL C FOR NOMINAL 220-FOOT SIZE REELS, AND MODEL D FOR NOMINAL 400-FOOT SIZE REELS. THE CASSETTES SHALL USE SUPER 8 MOTION-PICTURE FILM WITH NOMINAL 50 AND 100-FOOT CAPACITY MOTION PICTURE REELS MEETING THE DIMENSIONAL SPECIFICATIONS OF AMERICAN NATIONAL STANDARD ANSI PH22.160, PROJECTION REELS FOR SUPER 8 MOTION-PICTURE FILM. REELS FOR THE NOMINAL 220-FOOT AND 400-FOOT CASSETTES SHALL MEET THE DIMENSIONAL REQUIREMENTS SPECIFIED IN THIS STANDARD.

A SYSTEM OF CODE NOTCHES TO AUTOMATICALLY CUE PROJECTOR MECHANISM TO NECESSARY SOUND AND SPEED FUNCTIONS IS ALSO SPECIFIED.