 | 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... | |
 | Joseph Ray - Arithmetic - 1879 - 200 pages
...1880? 16. How many minutes in all the days of the present year? I. OTHER MEASURES OP WEIGHT. 75. Troy Weight is used in weighing gold, silver, and jewels. 24 grains (gr.) make 1 pennyweight, marked pwt. 20 pennyweights " 1 ounce, " oz. 12 ounces " 1 pound, " Ib. The Troy... | |
 | Benjamin Greenleaf - Arithmetic - 1879 - 238 pages
...weight ? TROY WEIGHT. 152. Troy Weight is used for gold, silver, and jewels. Table. 24 grains (gr.) nre 1 pennyweight, pwt. 20 pennyweights. 1 ounce, oz. 12 ounces, 1 'pound, Ih. APOTHECARIES, in mixing medicines, use the po«?id, ounce (§), and grain, of this weight; but... | |
 | Malcolm MacVicar - Arithmetic - 1880 - 268 pages
...silver, and precious ptones, and in philosophical experiments TABLE OF UNITS. 24 grains (gr.) make 1 pennyweight . pwt, 20 pennyweights "- 1 ounce . . . oz. 12 ounces " 1 pound . . . Ib. 2. Apothecaries' Weight is used by physicians and apothecaries in compounding dry medicines. TABLE... | |
 | Joseph Ficklin - Arithmetic - 1881 - 112 pages
...Troy Weight is used in weighing gold, silver, and precious stones, and in philosophical experiments. 24 Grains (gr.) — 1 Pennyweight, . pwt 20 Pennyweights = 1 Ounce, . . . oz. 12 Ounces =: 1 Pound, . . . Й. С 5760 gr. 1 lb. = < 240 pwt. ( 12 os. LXX. Apothecaries' Weight is used by apothecaries... | |
 | Joseph Ficklin - Arithmetic - 1881 - 412 pages
...Weight is used in weighing gold, silver, and jewels. TABLE OF UNITS. EQUIVALENTS. 24 Grains for.) = 1 Pennyweight, pwt. 20 Pennyweights = 1 Ounce, . . . oz. 12 Ounces = 1 Pound, . . . Ih. r 5760 gr 10).=) 240 pwt. ( 12 oz. 258. In weighing diamonds and gems, the unit generally... | |
 | James Bates Thomson - History - 1882 - 156 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, Ib. ORAL, EXERCISES. 1. How many grains in 2 pennyweights? 2. How many pwts. in 2 oz. ? 3 oz. ? 5 oz. ?... | |
 | Silas Sadler Packard, Byron Horton - Business mathematics - 1882 - 224 pages
...height of the barometer is 30 inches, and the temperature of the air and water 62° Fahrenheit.' TABLE. 24 Grains (gr.) = 1 Pennyweight pwt. 20 Pennyweights...= 1 Ounce . . . oz. 12 Ounces = 1 Pound . . . Ib. lb 02. pwt. gr. 1 = 12 = 240 = 5760 1 = 20 = 480 1 = 24 NOTE. — The carat, used in weighing diamonds,... | |
 | Henry Francis Harrington - Spellers - 1880 - 208 pages
...1 ounce (oz. or ;). 16 ounces — 1 pint (pi. or 0). 8 pints = 1 gallon (gall.). Troy Weight. Troy Weight is used in weighing gold, silver, and jewels. 24 grains (gr.) = 1 pennyweight (pwt. or dwt> 20 pennyweights = 1 ounce (oz. ). 12 ounces = 1 pound (Ib.). 480 grains = 1 ounce. 6760 grains... | |
 | James Bates Thomson - History - 1882 - 158 pages
...XI. Troy Weight. Troy Weight is used to weigh gold, silver, jewels, etc. TABLE. 24 grains (gr.) = I pennyweight, pwt. 20 pennyweights = 1 ounce, oz. 12 ounces = 1 pound, Ib. ORAL EXERCISES. 1. How many grains in 2 pennyweights ? 2. How many pwts. in 2 oz. ? 3 oz. ? 5 oz. ?... | |
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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 
