73147882
Nov 9, 1977
Feb 20, 1979
TEACHING APPARATUS-NAMELY, A CLOSED CIRCUIT TELEVISION INSTRUCTION SYSTEM FOR AIDING STUDENTS IN THE DEVELOPMENT OF READING SKILLS, PRINCIPALLY COMPRISING: TELEVISION CAMERAS, VIDEO MONITORS, VIDEO TAPE RECORDER, AUDIO CASSETTE RECORDER, SPECIAL EFFECTS CONTROL UNIT AND SEMICIRCULAR OPERATOR CONTROL TABLE
Electrical and Scientific Apparatus