Search results for author:"Leo L Leveridge"
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Journal of Educational Technology Systems Vol. 8, No. 3 (1979) pp. 221–30
Describes the use of the QuadraSync (Q/S) for developing an economical and versatile intelligent videodisc system. A compact audiocassette provides four sound tracks and drives a super-8mm film or videodisc by means of commands to a built-in film...