OPEN UNIVERSITY

EDUCATIONAL MATERIALS-NAMELY, PRERECORDED AUDIO TAPES; PRERECORDED VIDEO TAPES; TAPES OF RADIO PROGRAMS AND VIDEO TAPES OF TELEVISION PROGRAMS; MOTION PICTURE FILMS; PHOTOGRAPHIC SLIDES AND FILMSTRIPS; PHONOGRAPH RECORDS; AND LABORATORY INSTRUMENTS, NAMELY-MINI-COMPUTERS; MICROSCOPES; BINARY COUNTING APPARATUS FOR TEACHING THE BINARY NUMERICAL SYSTEM; AND GEOLOGY KITS CONTAINING SAMPLE STONES, ROCKS, AND MINERALS