Pound (mass) No standards of the Tower pound are known to have survived. The Tower pound was equivalent to about 350 grams. The merchants' pound ("mercantile pound", "libra mercantoria", or "commercial pound") was considered to be composed of 25 rather than 20 Tower shillings of 12 pence. It was equal to 9,600 wheat grains (15 tower ounces or 6,750 grains) and was used in England until the 14th century for goods other than money and medicine ("electuaries"). The London pound is that of the Hansa, as used in their various trading places. The London pound is based on 16 ounces, each ounce
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