HARKNESS SCREENS

Cinematographic apparatus and instruments, namely, projection screens; [ portable projection screens; inflatable projection screens; ] folding projection screens; cinematographic, photographic and laser projection screens; screens for projecting images in three dimensions; [ three dimensional picture manipulators; roller projection screens; ] projection screen frames; electrical and electronic control apparatus; [ controllers and dimmers for auditoria lighting; curtain track controllers; sound reproduction apparatus; amplifiers; loudspeakers; microphones; audio mixers; ] tripods for projection screens; [ covers for projection screens; mounts for projection screens; mounts for tripods; lifts for screens; parts and fittings for all the aforesaid goods ]