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Base data: length.
Unit of length that came before the French metric system. 1.949 m
Used to measure land
The unit of length used before the French metric system was this one. Originating from the length of outstretched arms, it was used to measure land. It was adopted to measure the meridian of the earth. The distance from the equator to the North Pole was measured at 5,130,740 toise.
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