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 cockatiel Pied cockatiel The Pied cockatiel is the first mutation of cockatiel colour genetics, with a mostly grey to light-yellow and white feathers and orange cheek patches. Pied cockatiels have large, random blotches of colour on their bodies, after the "normal grey" or "wild type" of a cockatiel's plumage is primarily grey with prominent white flashes on the outer edges of each wing. Bird breeders can breed for certain traits, and they have been breeding for different colour mutations in cockatiels since the 1940s. The pied cockatiel mutation was the first cockatiel mutation colour to be established in United States in