Experimental Television Center Editing Theory (27 pages). Paragraphs follow: Helical scan recording, Means, Kinds, Requirements of Editing, Erasing Methods in Assemble and Insert Edit Modes, Switching of the Edit, Control Tracks in the Editing Modes, Control Track Recording, Methods, Considerations, Assembly, Insert Edit, Sound, JVC, AV-3650, AV-8650, Insert Edit diagrams, Assemble Edit diagrams, Camera, Monitor, and Sync.