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" TROY WEIGHT is used in weighing gold, silver, and precious stones. TABLE. 24 Grains (gr.) make 1 Pennyweight, dwt. "
The Common School Arithmetic ... - Page 64
by James S.. Eaton - 1877 - 351 pages
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An Intellectual Arithmetic, Upon the Inductive Method: With an Introduction ...

James Stewart Eaton - Arithmetic - 1878 - 180 pages
...pounds ? 19. At 8s. a pair, how many pair of shoes may be bought for 2 ? For 3 4s. ? LESSON II. TROT WEIGHT is used in weighing gold, silver, and precious stones. TABLE. 24 Grains (^r.) make 1 Pennyweight, marked dwt. 20 Pennyweights • " 1 Ounce, " o 12 Ounces " 1 Pound, " Ib....
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An Intellectual Arithmetic, Upon the Inductive Method: With an Introduction ...

James Stewart Eaton - Arithmetic - 1873 - 196 pages
...pounds ? 19. At 8s. a pair, how many pair of shoes may be bought for 2 ? For 3 4s. ? LESSON II. TROY WEIGHT is used in weighing gold, silver, and precious stones. TABLE. 24 Graine (gr.) make 1 Pennyweight, marked dwt 20 Pennyweights " 1 Ounce, " oz 12 Ounces " 1 Pound, "...
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Marcus Ward's arithmetic

John William Marshall - Arithmetic - 1879 - 346 pages
...hundredweight (cwt.). 1 ton (.). By this weight are weighed all common goods. TROY. 24 grains (grs.) make 1 pennyweight (dwt.). 20 pennyweights „ 1 ounce (oz.). 12 ounces „ 1 pound (Ib.). Used for gold, silver, and jewellery, and in experiments in chemistry, &c. APOTHECARIES. 20 grains...
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Bradbury's Eaton's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - Arithmetic - 1879 - 392 pages
...medicines ; but medicines are bought and sold by Avoirdupois Weight. 543. TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (dwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (Ib.). Troy Weight is used in weighing gold, silver, and precious stones. NOTE 1. The pound, ounce, and grain,...
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Bradbury's Eaton's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - 1882 - 416 pages
...drams = 1 ounce (oz. or ). 12 ounces = 1 pound (Ib. or ft). 543. TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (dwt). 20 pennyweights — 1 ounce (oz.). 12 ounces = 1 pound (Ib.)Troy Weight is used in weighing gold, silver, and precious stones. NOTE 1. The pound, ounce, and...
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A treatise on arithmetic. [With] Key, Volume 1

James Thomson - 1880 - 412 pages
...preserved because of their use in the past, if for no other reason. TABLE OF TROY WEIGHT.* 24 grains =1 penny-weight, dwt. 20 penny-weights =1 ounce,.... oz. 12 ounces =1 pound Ib. It is to be borne in mind that, while the grain is one definitely fixed weight, being specified as...
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A Practical Arithmetic

George Albert Wentworth, Thomas Hill - Arithmetic - 1881 - 444 pages
...Express a cubic foot as the decimal fraction of a bushel. WEIGHTS. Troy Weight. 297. 24 grains (grs.) = 1 pennyweight (dwt). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). A carat (of diamond) = 3J grs. Avoirdupois Weight. 298. 16 drams (drs.) = 1 ounce (oz.). 16...
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A Practical Arithmetic

George Albert Wentworth, Thomas Hill - Arithmetic - 1882 - 376 pages
...a cubic foot as the decimal fraction of a bushel. • WEIGHTS. Troy Weight. 297. 24 grains (grs.) = 1 pennyweight (dwt.). 20 pennyweights . = 1 ounce (oz.). 12 ounces = 1 pound (lb.). . A carat (of diamond) = 3J grs. Avoirdupois Weight. 298. 16 drams (drs.) = 1 ounce (oz.). 16...
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Technical Arithmetic and Mensuration

Charles Watkins Merrifield - Arithmetic - 1882 - 328 pages
...ton Troy Weight. Used for gold and silver, jewellery, and some chemical experiments. 24 grains = I pennyweight (dwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) Apothecarits Weight. Used for medical prescriptions only. 20 grains = 1 scruple 3 scruples = 1 dram...
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The Common School Arithmetic: Combining Analysis and Synthesis. Adapted to ...

James Stewart Eaton - Arithmetic - 1882 - 368 pages
...the In il lom of the table. la like manner the scale is found in the other tables. TEOY WEIGHT. 94. TROY WEIGHT is used in weighing gold, silver, and precious stones. TABLE. Ex. 1. How many grains in 71b. 11 oz. 14dwt. 18gr.? OPERATION. 71b.lloz.l4dwt. 18gr. 24) 459 5 4 gr....
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