Pound (mass) 6, 12, 18, 24, 32 and 42 pounds; 68-pounders also exist, and other nonstandard weapons use the same scheme. See carronade. A similar definition, using lead balls, exists for determining the gauge of shotguns. Pound (mass) The pound or pound-mass is a unit of mass used in the imperial, United States customary and other systems of measurement. Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly , and which is divided into 16 avoirdupois ounces. The international standard symbol for the avoirdupois pound is lb; an alternative symbol is
United States military ration one pound of canned meat known as the "Meat Ration"—usually, corned beef. Additionally, two 8-ounce cans of hard bread or hardtack biscuits, a packet of 1.16 ounces of pre-ground coffee, a packet of 2.4 ounces of granulated sugar, and a packet of 0.16 ounces of salt were issued. There was also a separate "tobacco ration" of 0.4 ounces of tobacco and 10 cigarette rolling papers, later replaced by brand-name machine-rolled cigarettes. After the war, there were attempts to improve the ration based on input from the field. In 1922, the "Meat Ration" was revised, consisting of one pound of meat