(under subclass 166) Subject matter including at least one driven, endless, flexible member which engages the film strip to provide for movement of the strip.
SEE OR SEARCH THIS CLASS, SUBCLASS:
97, for motion picture apparatus employing two film strips which are fed in superimposed position.
SEE OR SEARCH CLASS
226, Advancing Material of Indeterminate Length,
74+, and 117 for flexible belt moving means of general application.
