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" 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 134
by Ingram Cobbin - 1830
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Robinson's Progressive Intellectual Arithmetic, on the Inductive Plan: Being ...

Horatio Nelson Robinson - Arithmetic - 1858 - 194 pages
...7~. At 7 shillings a pair, how many pairs of shoes can be bought for 2 sovereigns ? 27. TABLE OP TKOY WEIGHT. 24 grains (gr.) make 1 pennyweight, pwt. 20...pennyweights " 1 ounce, oz. 12 ounces " 1 pound, Ib. 1. How many grains in 2 pennyweights ? in 4 ? 2. How many pennyweights in 3 ounces ? in 5 ? 3. How...
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Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson - 1888 - 372 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, UNIT EQUIVALENTS. pwt. gr. oz. 1 = 24 Ib. 1-20-480 1 = 12 = 240 = 5760 SCALE— ascending, 24, 20,...
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Numbers Applied

Andrew Jackson Rickoff - 1888 - 464 pages
...Weight is used. The standard unit is the Troy pound = 5760 grains. Troy Weight. Table. 24 Grains (gr.) - 1 Pennyweight (pwt.). 20 Pennyweights = 1 Ounce (oz.). 12 Ounces = 1 Pound (lb.). Equivalents. 1 Pound = 12 Ounces = 240 Pennyweights = 5760 Grains. Practical illustrations of...
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An Advanced Arithmetic, Theoretical and Practical

James William Nicholson - Arithmetic - 1889 - 408 pages
...center of the earth. 250. Troy weight is used in weighing precious stones, gold, silver, etc. • TABLE. 24 grains (gr.) make 1 pennyweight (pwt.) 20 pennyweights " 1 ounce (oz.) 12 ounces " 1 POUND (lb.) The standard unit of weight in the United States is the troy pound of the Mint, which is identical...
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The Essentials of Business Arithmetic, for Use in Business Colleges

Caton's national business college, Buffalo, N.Y. - 1889 - 330 pages
...WEIGHT. 157. Troy "Weight is used in weighing gold, silver, jewels, etc. Scale : 24 grains (gr.) = 1 pennyweight (pwt.) ; 20 pennyweights = 1 ounce (oz.) ; 12 ounces = 1 pound (Ib.) 158. Apothecaries' "Weight is used by physicians and apothecaries in compounding medicines which are...
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Elementary Arithmetic: Combining Oral and Written Exercises

Edward Sylvester Ellis - Arithmetic - 1889 - 196 pages
...TROY WEIGHT. ART. 152. — Troy Weight is used in weighing gold, silver and jewels. 24 grains (gr.) =. 1 pennyweight, pwt. 20 pennyweights = 1 ounce, oz. 12 ounces — 1 pound, Ib. APOTHECARIES' WEIGHT. ART. 153. — Apothecaries' Weight is used in compounding medicines. 20 grains...
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Complete Arithmetic: Combining Oral and Written Exercises

Edward Sylvester Ellis - Arithmetic - 1889 - 370 pages
...in weighing gold, silver, jewels, and fluids in philosophical experiments. TABLE. 24 grains (gr.) = 1 pennyweight, pwt. 20 pennyweights = 1 ounce, oz. 12 ounces = 1 pound, Ib. The unit of weight is the Troy pound, which is equal in weight to 22.794377 cubic inches of distilled...
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Essentials of Business Arithmetic: For Use in Schools and Colleges

Warren H. Sadler, William Russell Will - Business mathematics - 1890 - 316 pages
...OF WEIGHT. 157. Troy Weight is used in weighing gold, silver, jewels, etc. Scale : 24 grains (gr.) = 1 pennyweight (pwt.) ; 20 pennyweights = 1 ounce (oz.) ; 12 ounces = 1 pound (lb.) 158. Apothecaries' "Weight is used by physicians and apothecaries in compounding medicines which...
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The New Model Arithmetic

Henry Holmes Belfield - Arithmetic - 1891 - 362 pages
...TROY WEIGHT. 304. 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. ) UNIT EQUIVALENTS. to. oz. putt. gr. 1 « 12 = 240 = 5760 1 = 20 480 1 24 A carat Is a weight of about...
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First Lessons in Arithmetic Oral and Written: For Primary Schools

James Bates Thomson - Arithmetic - 1891 - 206 pages
...LESSON XI. Troy Weight. Troy Weight is used to weigh gold, silver, jewels, etc. TABLE. 24 grains (gr.) = 1 pennyweight, pwt. 20 pennyweights = 1 ounce, oz. 12 ounces = 1 pound, Jb. ORAL EXERCISES. 1. How many grains in 2 pennyweights ? 2. How many pwts. in 2 oz. ? 3 oz. ? 5 oz....
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