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 company maintained a business-to-business model serving the wholesale market, selling gold and silver bullion exclusively to coin shops and precious metals retailers. In May 2011, KTT purchased Texas Precious Metals outright from Saab & Company Inc., naming Tarek Saab as President of the new unit. Saab subsequently moved Texas Precious Metals into the consumer retail market. In 2014, Texas A&M University recognized Texas Precious Metals as a member of the 2014 Aggie 100 honoring the fastest-growing companies in the world, owned or operated by Texas A&M University former students. Texas Precious Metals was ranked #1 with a compound annual growth