THEATERIUM

Planetarium projection system comprised of optical elements,computer programs, computers, computer peripherals and projectors; audio-visual systems for use in planetarium theaters comprised of video disc recorders and players, video tape recorders and players, audio disc recorders and players, audio tape recorders and players, audio mixers, audio speakers, digital sound sources,namely, prerecorded optical discs featuring music, audio processing control subsystem composed of amplifiers and loudspeakers

planetarium projection services; planetarium theater services