(under subclass 20) Subject matter including means to apply a force to photos:graphic medium surfaces to effect motion, and means which operates in time relationship therewith to apply a force to the camera to effect its motion during exposure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
8, for shutter/film speed with air/spin speed synchronizing.
11, for an aerial camera utilizing continuously moving film.
387+, for camera structure and film drive, in general.
