UKMA is nothing if not internationalist in its outlook. So today, 28 July 2016, we celebrate a significant anniversary for the use of the metric system in the USA. It marks 150 years of legal metric usage in the USA.
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The 1975 Metric Conversion Act (MCA) was signed into law by President Gerald Ford on December 23, 1975. To mark the 40th anniversary of this event, Ronnie Cohen looks at the introduction of the Act and its effect on metrication in the USA.
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