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Troy weight is a system of units of mass that originated in 15th-century Kingdom of England [1] and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).
- Grain (unit)
A grain is a unit of measurement of mass, and in the troy...
- Grain (unit)
troy weight, traditional system of weight in the British Isles based on the grain, pennyweight (24 grains), ounce (20 pennyweights), and pound (12 ounces). The troy grain, pennyweight, and ounce have been used since the Middle Ages to weigh gold, silver, and other precious metals and stones.
- The Editors of Encyclopaedia Britannica
The 56-pound weight was used as a reference standard as late as 1588. A statute of Henry VIII (24 Hen 8 c. 3) made avoirdupois weights mandatory. In 1588 Queen Elizabeth increased the weight of the avoirdupois pound to 7000 grains and added the troy grain to the avoirdupois weight
17 de abr. de 2012 · The smallest unit, the grain, is traditionally the mass of a grain of barley. Grain for grain, ounce for ounce, and pound for pound, troy weight is the same as apothecaries' weight, but it is subdivided differently. The troy grain is the same as the avoirdupois grain.
Troy weight is a system of unit s of mass that originated in 15th-century Kingdom of England [1] and is primarily used in the precious metal s industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).
Troy weight is a system of units of mass that originated in 15th-century Kingdom of England [1] and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).
