 | James Bates Thomson - Arithmetic - 1876 - 156 pages
...What are the denominations ? Ans. Pounds, ounces, pennyweights, and grains. TABLE. 24 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights " 1 ounce, oz. 12 ounces " 1 pound, lb. NOTE. — The best method of imparting to children a correct idea of Weights and Measures, is to... | |
 | Edward Brooks - Arithmetic - 1877 - 528 pages
...WEIGHT. 365. Troy Weight is used in weighing gold, silver, jewels, in philosophical experiments, etc. TABLE. 24 grains (gr.) . = 1 pennyweight . pwt. 20...ounce . . oz. 12 ounces . . =1 pound . . Ib. Ib. oz. pwt. gr. 1 = 12 = 240 = 5760 ' 1 = 20 = 480 SCALE.— Ascending, 24, 20, 12 ; descending, 12, 20, 24.... | |
 | Edward Brooks - Arithmetic - 1877 - 250 pages
...26O. Troy Weight is used in weighing gold, silver, jewels, liquors in philosophical experiments, etc. TABLE. 24 grains (gr.) = 1 pennyweight, . . pwt 20...pennyweights = 1 ounce oz. 12 ounces — 1 pound, . . . . Ib. !. NAME. — The term Troy is said to be derived from Troya, the name of a town in France, where thin... | |
 | Edward Brooks - Arithmetic - 1877 - 438 pages
...2<»O. Troy Weight is used in weighing gold, silver jewels, liquors in philosophical experiments, etc. TABLE. 24 grains (gr.) = 1 pennyweight, . . pwt. 20...pennyweights = 1 ounce, . . . . oz. 12 ounces = 1 pound, Ib. T. NAME. — The term Troy is said to be derived from Truyes, the name of a town in France, where this... | |
 | Benjamin Greenleaf - Arithmetic - 1877 - 170 pages
...weights ? Troy Weights are those used for weighing gold, silver, and jewels. TABLE. 24 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights, 1 ounce, oz. 12 ounces, 1 pound, Ib. 66. 1. How many grains in 1 pennyweight ? In 2 pennyweights ? In 4 pennyweights ? 2. How many pennyweights... | |
 | Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1877 - 374 pages
...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. UNIT EQUIVALENTS. pwt. gr. oz. 1 = 24 Ib. 1--= 20= 480 1 = 12 = 240 = 5760 SCALE— ascending, 24,... | |
 | Edward Brooks - Arithmetic - 1877 - 444 pages
...26O. Troy Weight is used in weighing geld, silver, jewels, liquors in philosophical experiments, etc. TABLE. 24 grains (gr.) = 1 pennyweight, . . pwt. 20 pennyweights = 1 ounce, . . . oz. 1 2 ounces = 1 pound, . . . . Ib. I. NAME. — The term Troy is said to be derived from Troyes, the... | |
 | Daniel Bernard Hagar - Arithmetic - 1877 - 236 pages
...silver and gems. The units are a grain, a pennyweight, an ounce and a pound. TABLE. %Jf grains (gr.) are 1 pennyweight .... pwt. 20 pennyweights " 1 ounce ........... oz. 12 ounces 1 pound ........... lb. A Pound Avoirdupois is equal to 7000 Troy grains. 310. Apothecaries, in compounding... | |
 | James Bates Thomson - Arithmetic - 1878 - 202 pages
...4d. ? 3d. ? 2d. ? 3. What part of a penny is 2 far. ? 3 far. ? 83. Troy Weight. 24 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights " 1 ounce, oz. 12 ounces " 1 pound, Ib. oz. pwt. gr. 4. What part of a pound Troy is 6 oz. ? 4 oz.? 3 oz.? 2 oz. ? * For united States or Federal... | |
 | Frederic William Bardwell - Arithmetic - 1878 - 416 pages
...already described. Other divisions of the pound are shown in the following Table. 24 grains (gr.) make 1 pennyweight . . pwt. 20 pennyweights " 1 ounce oz. 12 ounces " 1 pound Ib. Apothecaries' Weight. This is used in mixing medical prescriptions. In other cases drugs are bought... | |
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TABLE. 24 grains (gr.) = 1 pennyweight, (pwt.) 20 pennyweights = 1 ounce, (oz.) 12 ounces =1 pound. (Ib.) Apothecaries' Weight is used in compounding medicines. 
