Comparison of the imperial and US customary measurement systems metre, as 1852 metres. Traditionally, both Britain and the US used three different weight systems: troy weight for precious metals, avoirdupois weight for most other purposes and apothecaries' weight for medicines. However, apothecaries' weight has now been superseded by the metric system. One important difference is the widespread use in Britain of the stone of 14 pounds () for body weight. This unit is not used in the United States, although its influence was seen in the practice, until World War II, of selling flour by a barrel of 196 pounds (14 stone). Another difference arose when Britain abolished the
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