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Explains scaling, using the concepts of enlargement and reduction with the use of both physical and computer models. Part of the Mathsphere Series.
Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL: http://www.britannica.com
Available on VHS
Running time 10 minutes.
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