once [French]
1
In France, various units of mass, the principal subdivision of the livre
:
- late 8ᵗʰ century – mid 14ᵗʰ century, the once esterlin
= ¹⁄₁₂ of the livre esterlin, about 30.6 grams.
- 12ᵗʰ century – late 18ᵗʰ century, the once poids de marc
= ¹⁄₁₆ of the livre poids de marc, at the standard of Paris about
30.6 grams.
- 1800 – 1812, the once mètrique, = 100 grams.
- 1812 – 1840, the once usuelle, = 31.250 grams.
2
In Nice, France, a unit of length, = ¹⁄₁₂ palme or pan, about 21.833 millimeters.
Doursther, page 369.
3
In Cahors, France, a unit of land area, a seed measure of land area based on ¹⁄₁₆ boisseau, about 19.95 square meters.
Doursther, page 369.
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Last revised: 17 March 2011.