Grain (unit) weight) refers to those things measured by the lesser but quicker balances: the bismar or uncel, the Roman balance, and the steelyard. The original mercantile pound of 25 shillings or 15 (tower) ounces was displaced by variously the pound of the Hanseatic League (16 tower ounces) and by the pound of the then-important wool trade (16 ounces of 437 grains). A new pound of grains was inadvertently created as 16 troy ounces, referring to the new troy rather than the old troy. Eventually, the wool pound won out. The avoirdupois pound was defined in prototype, rated as to grains. In
Greenwood Cattle Pound the base, tapering down to at a height of 5 feet. Slumping and collapse of some of the wall sections has lowered the wall height and increased its width. There are holes at intervals, indicating where posts were located to support the wooden cap. The entrance to the pound is at the south end of the west wall. There is no indication of a gate; a stone that probably served as a lintel over the opening rests against the wall nearby. Greenwood Cattle Pound The Greenwood Cattle Pound is an animal pound located on Greenwood Road, east of Maine State