Imperial and US customary measurement systems different concepts – the imperial gallon is defined in terms of the volume occupied by a specified mass of water, while the US gallon is specified in terms of cubic linear measure. Notes Notes Units of weight in both the imperial and US customary system always used the same standard, though differences in multiples of the avoirdupois pound developed in the nineteenth century. Both systems used the three different scales – the avoirdupois system for general use, the troy system for precious metals and the apothecaries system in the pharmacy industry. The term "weight" and "mass" are used interchangeably 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