 Either a spool or the central wheel could be rotated by hand or a mechanical motor to move the film.illumination and optical arrangements could be made for either direct-viewing or for projection on a screen.In a prospectus Reynaud offered the Théâtre Optique in different versions and with separately available parts; one version came installed on an 80 x 100 cm mahogany table and another on a two part iron frame that could be stored inside two wooden boxes (85 x 85 x 25 cm).