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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 "
First Lessons in Arithmetic: Combining the Oral Method with the Method of ... - Σελίδα 149
των Charles Davies - 1849 - 168 σελίδες
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New Elementary Arithmetic, Embracing Mental and Written Exercises for ...

Henry Bartlett Maglathlin - 1876 - 230 σελίδες
...hundred-weight ? TROY WEIGHT. 152. Troy Weight is used for gold, silver, and jewels. Table. 24 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights, 1 ounce, oz. 12 ounces, 1 pound, Ib. APOTHECARIES, in mixing medicines, use the pound, ounce (§), and grain, of this weight; but divide...

The Model Elementary Arithmetic: Including Oral and Written Exercises

Alfred Kirk, Henry Holmes Belfield - 1876 - 220 σελίδες
...weight is used for weighing gold, silver, and nrecious stones. TABLE OF TEOT WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) ORAL. 1. How many grains in 2 pwt.? 2. How many. pwt. in 72 grains? 3. How many oz. in 5 Ib. ? In 7...

New Mental Arithmetic

James Bates Thomson - 1876 - 156 σελίδες
...What are the denominations ? Ans. Pounds, ounces, pennyweights, and grains. TABLE. 24 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights " 1 ounce, oz. 12 ounces " 1 pound, lb. NOTE. — The best method of imparting to children a correct idea of Weights and Measures, is to...

New Practical Arithmetic: In which the Science and Its Applications are ...

Henry Bartlett Maglathlin - 1876 - 370 σελίδες
...WEIGHT. 203. Troy Weight is used for weighing gold, silver, and jewels, Tat»le. 24 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights, 1 ounce, oz. 12 ounces, 1 pound, lb. What is Measure ? A Line ? A Surface ? A Solid, Body or Volume 1 Weight? A Unit of Measure? The...

Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - 1877 - 374 σελίδες
...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,...

Intellectual Arithmetic

James Stewart Eaton - 1877 - 182 σελίδες
...weighing gold, silver, and precious stones. TABLE. 24 Grains t¿rr.) make 1 Pennyweight, marked dwt 20 Pennyweights " 1 Ounce, " oz. 12 Ounces " 1 Pound, " ib, 1. How many grains in 2dwt. ? In 2dwt. 6gr. ? 2. How many grains in 2£dwt. ? In If dwt. ? 3. How many pennyweights in...

The Normal Union Arithmetic: Graded Course, Τόμος 2

Edward Brooks - 1877 - 250 σελίδες
...weighing gold, silver, jewels, liquors in philosophical experiments, etc. TABLE. 24 grains (gr.) = 1 pennyweight, . . pwt 20 pennyweights = 1 ounce oz. 12 ounces — 1 pound, . . . . Ib. !. NAME. — The term Troy is said to be derived from Troya, the name of a town in France, where thin...

The New Normal Written Arithmetic: Designed for Common Schools, Normal ...

Edward Brooks - 1877 - 438 σελίδες
...in weighing gold, silver jewels, liquors in philosophical experiments, etc. TABLE. 24 grains (gr.) = 1 pennyweight, . . pwt. 20 pennyweights = 1 ounce, . . . . oz. 12 ounces = 1 pound, Ib. T. NAME. — The term Troy is said to be derived from Truyes, the name of a town in France, where this...

Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of ...

Benjamin Greenleaf - 1877 - 170 σελίδες
...weights ? Troy Weights are those used for weighing gold, silver, and jewels. TABLE. 24 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights, 1 ounce, oz. 12 ounces, 1 pound, Ib. 66. 1. How many grains in 1 pennyweight ? In 2 pennyweights ? In 4 pennyweights ? 2. How many pennyweights...

The Normal Higher Arithmetic: Designed for Common Schools, High Schools ...

Edward Brooks - 1877 - 528 σελίδες
...used in weighing gold, silver, jewels, in philosophical experiments, etc. TABLE. 24 grains (gr.) . = 1 pennyweight . pwt. 20 pennyweights . = 1 ounce . . oz. 12 ounces . . =1 pound . . Ib. Ib. oz. pwt. gr. 1 = 12 = 240 = 5760 ' 1 = 20 = 480 SCALE.— Ascending, 24, 20, 12 ; descending, 12,...




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