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- 2013
The Paris Meridian Arc Length and Definition of the MetreKeywords: meridian arc length, Paris meridian, surveying, trigonometric chain, definition of length in the International System of Units, metre Abstract: Sa？etak Pierre Fran？ois-André Méchain and Jean-Baptiste Joseph Delambre participated in measuring the Paris meridian arc length in order to determine length of the metre. Jean-Baptiste Biot and Fran？ois Dominique Jean Arago worked on extending the meridian at a later date
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