 | Horatio Nelson Robinson - 1888 - 372 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, 20,... | |
 | Edward Sylvester Ellis - Arithmetic - 1889 - 196 pages
...denominations. 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... | |
 | James William Nicholson - Arithmetic - 1889 - 408 pages
...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... | |
 | Warren H. Sadler, William Russell Will - Business mathematics - 1890 - 316 pages
...1.00 .193 268 .193 Tripoli Turkey US of Colombia... Peso of 100 centavos Silver. Gold Silver .614 .044 .68 .136 MEASURES OF WEIGHT. 157. Troy Weight is used...pennyweights = 1 ounce (oz.) ; 12 ounces = 1 pound (lb.) 158. Apothecaries' "Weight is used by physicians and apothecaries in compounding medicines which... | |
 | Warren H. Sadler, William Russell Will - Business mathematics - 1890 - 312 pages
....68 .323 .193 .997 1.00 .739 .402 .68 .268 .68 1.08 .544 1.00 .193 .268 .193 .614 .044 .68 .136 ; ii MEASURES OF WEIGHT. 157. Troy "Weight is used in weighing...grains (gr.) = 1 pennyweight (pwt.); 20 pennyweights = I ounce (oz.); 12 ounces = 1 pound (Ib.) 158. Apothecaries' "Weight is used by physicians and apothecaries... | |
 | Henry Holmes Belfield - Arithmetic - 1891 - 362 pages
...Pennsylvania coal mines. 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... | |
 | James Bates Thomson - Arithmetic - 1891 - 206 pages
...2712 96207 3872 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.... | |
 | William James Milne - Arithmetic - 1892 - 440 pages
...the States named : 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... | |
 | Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...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
...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... | |
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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 
