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
Precious Pupp series of barks . . . but never where or when Granny could catch him in the act. Unlike many cartoon animals, Precious did not speak. His usual vocalism was an asthmatic-sounding, "wheezing" laugh used even more famously by Muttley, a Hanna-Barbera character introduced three years later; he usually outsmarted his enemies, most notably Bruiser, the neighborhood bulldog, but he also usually outsmarted his oblivious owner, too. Twenty-six episodes were produced. Precious Pupp Precious Pupp is an animated television series produced by Hanna-Barbera Productions which aired as a segment on "The Atom Ant/Secret Squirrel Show" from October 2, 1965 to