Units of measurement in France before the French Revolution 4 parts in one million) than the "pied" used in France. According to the law of 19 Frimaire An VIII (December 10, 1799), Traditionally, the French pound ("livre") was defined as the mass of exactly of a French cubic foot of water. When the kilogram was defined, the knowledge that a "pied du Roi cube" filled with water masses exactly 70 French pounds was apparently lost. According to the traditional (cubic foot) definition, one "livre" would have been about 489.675 grams. According to the kilogramme definition, one "livre" was about 489.506 grammes. The difference is about 0.035%. However, a small
Pied falconet Pied falconet The pied falconet, ("Microhierax melanoleucos") is a species of bird of prey in the family Falconidae. It is found in Bangladesh, Bhutan, China, Hong Kong, India, Laos, and Vietnam. Its natural habitat is temperate forests. These raptors belong to the genus "Microheriax", which includes the smallest bird of prey species in the world. The pied falconet, also known as the white-legged falconet, nests in old woodpecker cavities. The species is listed as least concern because of its large home range and stable population size. The Pied falconet is a small black and white raptor, measuring between 7-7 ½