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The program shows some of the steps that took place in the evolution of telling time. It also illustrates problems that had to be overcome to perfect the device. Part of the "Inventive Child" 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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