Basic electronics - Copyright Collection (Library of Congress) (London : Hodder and Stoughton, 1990)
Copyright: Ferranti Educational Systems, Inc. DCR 1989; PUB 21Feb90; REG 27Feb90; PA455-295.
Five discs in one box.
Level one interactive (no special equipment needed; videodisc operated using player controls or remote control).
Sources used: videodisc jacket; COPICS data base.
Keywords: Interactive videos; Videodiscs