NationMaster - Encyclopedia: Mendenhall Order

The Mendenhall Order marked a decision to change the USA's weights and measures from the customary system based on that of England to the metric system.

It was issued on April 5, 1893 by Thomas Corwin Mendenhall, superintendent of the U.S. Coast and Geodetic Survey, with the approval of the United States Secretary of the Treasury, John Griffin Carlisle. The order was issued as the Survey's Bulletin No. 26 - Fundamental Standards of Length and Mass.

Results from FactBites:

Thomas Corwin Mendenhall - Wikipedia, the free encyclopedia (410 words)
	Mendenhall was born in Hanoverton, Ohio, and married Susan Allan Marple in 1870.
	Mendenhall was president of the Worcester Polytechnic Institute from 1894 until 1901 when he emigrated to Europe.
	Mendenhall proposed the ring pendulum as a means of measuring gravity and also worked in the fields of seismology and atmospheric electricity.

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