praxinoscope

emile reynaud praxinoscopedicorved in 1889 developed the theatre optique an improved version capable of projecting images on a scream from a longer roll of pictures. its narrow viewing slits with an inner cvircle of mirros placed so that the reflections of the pictures appeared in a position as the wheel turned some who is looking in the mirrors woulod see a rapid images in motion.

en.wikipedia.org/wiki/Praxinoscope