This review of the historical development and use of instructional television at Worcester Polytechnic Institute concentrates on the use of videotape as supplementary to classroom instruction in scientific and technical subject areas. Uses of videotapes discussed include: (1) instruction in computer use, (2) laboratory module instruction, (3) instruction in technical equipment operation, (4) student developed videotapes, and (5) videotaping of lectures for student re-viewing and for off-campus continuing education students. Closed circuit television for individualized instruction, and telecourses are also discussed, and equipment and facilities are described. (STS)