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
Recessive Pied budgerigar mutation in appearance to the wild-type Light Green. That is, the presence of a single wild-type allele is sufficient to permit the full production and normal distribution of the black melanin pigment. Among the budgerigar fancy such a bird is said to be a Light Green split recessive pied, usually written Light Green/recessive pied. In a bird which has two Recessive Pied alleles (the homozygote, "r / r" ), the lack of the wild-type allele means that normal black melanin pigment is suppressed in random areas over the body. The factors governing the distribution of the residual pigmentation are not known.