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 have 10% pied colour (any less and they could indeed be split pied) and a Heavy Pied cockatiel should have more than 75% pied colour. there are many variations of pieds from just a few pied flights and body feathers to a bird that is predominately yellow (or white) with just a few dark feathers, which is sometimes referred to as a "reverse" or "saddleback" pied. if a pied has no dark feathers or 1-2 dark feathers on the face, chest or rump it is referred to as a "clear pied". clear pieds can often be mistaken for a lutino,