Man's first machines are related to demonstrate how their operating principles still govern the power transmission components found in today's machines. May be ordered in either of two versions: U.S. Customary Units and Metric Units. Part of the "Mechanical Power Transmission" series.
Lucerne Media, 37 Ground Pine Rd., Morris Plains, NJ 07950, Phone: (973)538-1401, Toll-free: 800-341-2293, Fax: (973)538-0855, Email: firstname.lastname@example.org, URL: http://www.lucernemedia.com
Available on VHS
Running time 16 minutes.
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