in january 1798 the academie des sciences set up an international conference to take place in september of that year to give an international standing to the new value of the metre which the delambre -mechain survey had still to finalise.

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In January 1798 the Academie des Sciences set up an international conference to take place in September of that year to give an international standing to the new value of the metre which the Delambre -Mechain survey had still to finalise.