This tape explains the concept of using time as a system for measuring events.
SVE & Churchill Media, 6465 N. Avondale Ave., Chicago, IL 60631, Phone: (773)775-9433, Toll-free: 800-253-2788, Fax: (800)444-9855, Email: firstname.lastname@example.org, URL: http://www.clearvue.com
Available on VHS
Running time 15 minutes.
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