 TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES  The Child's Arithmetic ... - Page 134by Ingram Cobbin - 1830Full view - About this book
 | Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...Troy Weight is used in weighing gold, § silver, and jewels and in philosophical experiments. TABLE. 24 Grains (gr.) make 1 Pennyweight pwt. 20 Pennyweights " 1 Ounce oz. 12 Ounces " 1 Pound ib. EXAMPLES. 1. How many grains in 2. How many pounds 14 Ib. 10 oz. 18 pwt. 22 gr. ? in 85894 gr. ? OPERATION.... | |
 | Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...186. Troy Weight is used in weighing gold, silver, and jewels and in philosophical experiments. TABLE. 24 Grains (gr.) make 1 Pennyweight pwt. 20 Pennyweights " 1 Ounce oz. 12 Ounces " 1 Pound Ib. In weighing diamonds, pearls, and other lewels, the unit commonly employed is the carat, equal to 4... | |
 | William James Milne - Arithmetic - 1892 - 440 pages
...TROY WEIGHT. 597. Troy Weight is used in weighing gold, silver, and jewels. TABLE. 24 Grains (gr.) = 1 Pennyweight . . . pwt. 20 Pennyweights = 1 Ounce oz. 12 Ounces = 1 Pound Ib. Ib. oz. pwt. gr. 1 = 12 = 240 = 5700 ScaJe. — 12, 20, 24. 1. In weighing diamonds, pearls, and other... | |
 | International Correspondence Schools - Coal mines and mining - 1900 - 720 pages
...unless the long ton (2,240 pounds) is especially mentioned. TROY WEIGHT. TABLE 10. 24 grains (gr.) = 1 pennyweight. . . . pwt. 20 pennyweights = 1 ounce oz. 12 ounces = 1 pound Ib. Ib. oz. pwt. gr. 1 = 12 = 240 = 5,760 214. Troy weight is used in weighing gold and silverware, jewels,... | |
 | 1900 - 728 pages
...unless the long ton (2,240 pounds) is especially mentioned. TROY WEIGHT. TABLE 10. 24 grains (gr.) = 1 pennyweight . . . . pwt. 20 pennyweights = 1 ounce oz. 12 ounces = 1 pound Ib. Ib. oz. pwt. gr. 1 12 = 240 = 5,760 214. Troy weight is used in weighing gold and silverware, jewels,... | |
 | Analytical chemistry - 1900 - 532 pages
...ton, unless the long ton (2,240 pounds) is especially mentioned. TROY WEIGHT. TABLE. 34 grains (gr.) = 1 pennyweight .... pwt 20 pennyweights = 1 ounce oz. 12 ounces = 1 pound . Ib. Ib. oz. pwt. gr. 1 = 12 = 240 = 5,760 33. Troy weight is used in weighing gold and silverware, jewels,... | |
 | William James Milne - Arithmetic - 1900 - 236 pages
...TROY WEIGHT. 219. In weighing gold, silver, and jewels Troy Weight is used. TABLE. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). The Troy lb. contains 5760 gr. ; the Avoirdupois Ib., 7000 gr. The Troy oz. contains 480 gr.... | |
 | Nehemiah Hawkins - Steam engineering - 1901 - 354 pages
...yd. 128 cubic feet, 1 cord, C. TROY WEIGHT. This is used for weighing gold, silver and jewels. TABLE. 24 grains (gr. ) make 1 pennyweight, pwt. 20 pennyweights, 1 ounce, oz. 12 ounces, 1 pound, Ib. A caret, for gold-weight, is 4 grains; for diamond-weight. IB 3.2 grains. APOTHECARIES WEIGHT. SOLID... | |
 | Samuel Wesley Baird - Arithmetic - 1901 - 172 pages
...as gold and silver. The unit of weight is the pound, which contains 5760 grains. TABLE 24 grains = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) The carat is a unit of 4 imaginary grains employed in rating diamonds and precious stones, as the ruby,... | |
 | International Correspondence Schools - Electric lighting - 1901 - 630 pages
...unless the long ton (2,2-tO pounds) is especially mentioned. TUOY "WEIGHT. TABLE. 24 grains (gr.) = 1 pennyweight .... pwt. 20 pennyweights = 1 ounce oz. 12 ounces = 1 pound Ib. Ib. oz. pwt. gr. 1 = 12 = 240 = 5,760 Troy weight is used in weighing gold and silver ware, jewels,... | |
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