The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces). The troy grain...

A grain is a unit of measurement of mass, and in the troy weight, avoirdupois, and apothecaries' systems, equal to exactly 64.79891 milligrams. It is...

pound used for weights, and the obsolete tower, merchants' and London pounds. The troy pound and ounce remain in use only for the weight of precious metals...

Troy or troy in Wiktionary, the free dictionary. Troy was a legendary city described in Homer's Iliad. Troy may also refer to: Troy (given name) Troy...

When Troy weights replaced Tower weights in 1527, the Troy weights were defined in such a way that the old Tower pound came out to exactly 5,400 Troy grains...

English version of the system is closely related to the English troy system of weights, the pound and grain being exactly the same in both. It divides...

of the Troy pound 1495 12 Hen. 7. c. 5 — New Exchequer standards were constructed, including Winchester capacity measures defined by Troy weight of their...

apothecaries', troy, avoirdupois, and metric. Of these, the avoirdupois weight is the most common system used in the U.S., although Troy weight is still used...

for mass and weight. troy weight, used for precious metals; avoirdupois weight, used for most other purposes; and apothecaries' weight, now virtually...

Queen Elizabeth increased the weight of the avoirdupois pound to 7000 grains and added the troy grain to the avoirdupois weight system. Prior to 1588, the...