Troy weight Troy weight Troy weight is a system of units of mass customarily used for precious metals and gemstones. One troy ounce (abbreviated "t oz" or "oz t") is equal to exactly , (or about 1.0971 oz. avoirdupois, the "avoirdupois" ounce being the most common definition of an "ounce" in the US). There are only 12 troy ounces per troy pound, rather than the 16 ounces per pound found in the more common avoirdupois system. The avoirdupois pound has 7000 grains whereas the troy pound has only 5760 grains (i.e. 12 × 480 grains). Both systems use the same grain defined
Pound cake the name pound cake is often still used. Some of the variations are described below. A traditional American pound cake would contain one pound each of flour, butter, eggs, and sugar. This recipe is quite popular in the cuisine of the Southern United States. In France, the pound cake is well known. The name of the pound cake ""quatre-quarts"", means four quarters. There are equal weights in each of the four quarters. In tradition, the popular cake of the French region of Brittany, as its name implies, uses the same quantity of the four ingredients, but with no added fruit