Search Images Maps Play YouTube News Gmail Drive More »
 Books Books
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

Arithmetical Examples

Daniel W. Fish - Arithmetic - 1871 - 300 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. Ib. oz. pwt. grs. 1 = 12 = 240 = 5760 1 = 20 = 480 1 = 24 NOTES. — 1. Diamonds,...

An Elementary Arithmetic

Daniel Barnard Hagar - Arithmetic - 1871 - 220 pages
...silver and gems. The units are a grain, a pennyweight, an ounce and a pound. TABLE. £4 grains (gr.) are 1 pennyweight .... pwt. 20 pennyweights " 1 ounce oz. 12 ounces ' ' 1 pound Ib. 1ib. = 12 oz. = 240 pwt. = 5760 gr. A Pound Avoirdupois is equal to 7000 Troy grains. 310. Apothecaries,...

A Practical Arithmetic: Upon the Basis of the Works of Geo. R. Perkins

George Payn Quackenbos - Arithmetic - 1872 - 348 pages
...silver, coins, and precious stones ; also in philosophical experiments. TABLE. 24 grains (gr.) make 1 pennyweight, . . pwt. 20 pennyweights, 1 ounce, . . . . oz. 12 ounces, 1 pound, . . . . Ib. pwt. gr. 1 = 24 lb. 1 = 20 = 480 1 = 12 = 240 = 5760 The Troy pound is the standard unit of weight...

New Rudiments of Arithmetic: Combining Mental and Slate Exercises for ...

James Bates Thomson - Arithmetic - 1872 - 234 pages
...15. What are the denominations ? 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 - Arithmetic - 1873 - 362 pages
...WEIGHT. 203. Troy Weight is used for weighing gold, silver, and jewels. Ta/ble. 24 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights, 1 ounce, oz. 12 ounces, 1 pound, Ib. What is Measure ? A Line ? A Surface ? A Solid, Body or Volume? "Weight? A Unit of Measure? The Common...

New Mental Arithmetic, for Primary Departments ...

James Bates Thomson - Arithmetic - 1873 - 158 pages
...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...

First Book in Arithmetic: Including Oral and Written Exercises

Daniel W. Fish - Arithmetic - 1874 - 180 pages
...Troy Weight is used in weighing gold, silver, and jewels, and in philosophical experiments. TABLE. 24 Grains (gr.) = 1 Pennyweight . pwt. 20 Pennyweights...— 1 Ounce . . . . oz. 12 Ounces = 1 Pound . . Ib. ( 5760 gr. 1ib. = < 240 рай. ( 12 02. ft, 1 = 2. Apothecaries' Weight is used by apothecaries and...

The Complete Arithmetic, Part 2

Daniel W. Fish - Arithmetic - 1874 - 298 pages
...35. Troy Weight is used in weighing gold, silver, jewels, and in philosophical experiments. TABLE. 24 Grains (gr.) = 1 Pennyweight . pwt. 20 Pennyweights...Ounce . . . . oz. 12 Ounces = 1 Pound . . . . Ib. 1 Ib. C 5760 gr. .< 240 put. ( 12 oz. 36. TABLE. DIAMOND WEIGHT. 16 Parts = 1 Grain. 4 Grains — 1...