Peter L. Galison

Cover art
PublisherHatje Cantz2012
This title will be available soon. On Saturday, September 28, 1889, representatives of eighteen countries gathered in Sèvres, outside Paris.They were there to bring the world under the measure of a single meter known as M and a single kilogram, K — to bless a particular ruler and a particular weight.The conference arbitrarily chose one meter stick and one sample weight from thirty nearly identical copies, declaring: “This prototype of the meter will from now forward represent, at the temperature of melting ice, the metric unit of length. . . .This prototype [of the kilogram] will be considered from now on ...

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