Apothecaries' system measure precious metals and stones. (The troy pound was already declared illegal for most other uses by the Weights and Measures Act of 1878.) In the US, the metric system replaced the apothecaries' system in the United States Pharmacopoeia of 1971. Apothecaries' system The apothecaries' system or apothecaries' weights and measures is a historical system of mass and volume units that were used by physicians and apothecaries for medical recipes, and also sometimes by scientists. The English version of the system is closely related to the English troy system of weights, the pound and grain being exactly the same in
Texas Precious Metals Texas Silver Round is 39.6mm in diameter and 3.3mm thick, slightly smaller in diameter and thicker than the American Silver Eagle. MINTAGES:<br> 2013 Texas Silver Round (Cowboy Reverse): 540,000 <br> 2014 Texas Silver Round (Longhorn Reverse): 600,000<br> 2015 Texas Silver Round (White tail Reverse): 400,000<br> 2016 Texas Silver Round (Coyote Reverse): Undisclosed<br> 2017 Texas Silver Round (Bobcat Reverse): Undisclosed Through Kaspar Manufacturing, Texas Precious Metals produces “monster boxes” and “mini monster boxes” for silver rounds made of durable cold-rolled steel. A monster box is an industry standard shipping unit for silver containing 500 coins or rounds and is usually made