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
Animal pound Animal pound An animal pound is a place where stray livestock were impounded. Animals were kept in a dedicated enclosure, until claimed by their owners, or sold to cover the costs of impounding. The terms "pinfold" and "pound" are Saxon in origin. "Pundfald" and "pund" both mean an enclosure. There appears to be no difference between a pinfold and a village pound. The term "pinfold" seems to be more popular in the north and east of England, whilst in the south and west the term "pound" is more popular. The person in charge of the 'pinfold' was the 'pinder', giving