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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
Standard Elementary Arithmetic: Combining Oral and Written Exercises - Page 154
by Edward Sylvester Ellis - 1886 - 192 pages

## Complete Intellectual Arithmetic: Adapted to Classes in Grammar Schools and ...

James Bates Thomson - Arithmetic - 1878 - 194 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...

## Ray's Elementary Arithmetic: Embracing Mental and Written Exercises, for ...

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...

## New Elementary Arithmetic: Embracing Mental and Written Exercises for ...

Benjamin Greenleaf - Arithmetic - 1879 - 240 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 poĢ?id, ounce (§), and grain, of this weight; but...

## Teachers' Manual of Elementary Arithmetic: Including Oral, Slate, and ...

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...

## Table Book and Primary Arithmetic: Containing Complete Tables and Numerous ...

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...

## National Arithmetic; Oral and Written: For Common and Graded Schools ...

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...

## First Lessons in Arithmetic, Oral and Written: Illustrated for Primary Schools

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. ?...

## The Packard Commercial Arithmetic

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,...