The View From the Castle: The time has come for the United States to join the Western World in using the metric system of weights and measures
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PrintSmithsonian Secretary S. Dillon Ripley discusses the need for the United States to adopt the metric system, which was given legal status by Congress in 1866. Ripley relates the metric system to the importance of U.S. foreign trade.
United States Congress
Smithsonian Institution History Bibliography
Smithsonian Vol. 3, no. 6 (Journal)
Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu
September 1972
p. 4