A block diagram of how a Video Recorder works. Black and white block diagram showing the helical recording process used with open reel VTRs, and field interlace. 1 original and 2 copies. 2-30"x36" and 1-20"x28". Displayed at the Everson Museum of Art, Syracuse November 6-28, 1976 in Information, Works and Activities exhibition by the Experimental Television Center. Exhibition included Installations, systems demonstrations and lecture presentations, performances, continuous tape screening. These system diagrams were displayed in the gallery space.