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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 "
Lippincott's Practical Arithmetic: Embracing the Science and Practical ... - Σελίδα 180
των James Morgan Rawlins - 1899 - 437 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1860 - 456 σελίδες
...weighing gold, silver, jewels, and liquors ; and in philosophical experiments. TABLE. 24 Grains (gr.) make 1 Pennyweight, pwt. 20 Pennyweights " 1 Ounce, oz. 12 Ounces " 1 Pound, 1b. gr. pwt. 24 = 1 oz. 480 = 20 ' = 1 1b. 5760 = 240 = 12 = 1 NOTE 1. — Troy weight was introduced...

The Progressive Intellectual Arithmetic: On the Inductive Plan : Being a ...

Horatio Nelson Robinson - 1863 - 188 σελίδες
...pairs of shoes can be hought for 2 sovereigns ? ,f •' 27. TABLE OF TROY WEIGHT. 24 grains (gr.) make 1 pennyweight, pwt. 20 pennyweights " - 1 ounce, oz. 12 ounces " 1 pound, Ib. 1. How many grains in 2 pennyweights ? in 4 ? 2. How many pennyweights in 3 ounces ? in 5 ? 3. How...

An Intellectual Arithmetic: With an Introduction to Written Arithmetic

George Augustus Walton - 1869 - 188 σελίδες
...weighing gold, silver, and precious stones, and where great accuracy is required. TABLE. 24 grains (gr.) = 1 pennyweight, pwt. 20 pennyweights = 1 ounce, . . . oz. 12 ounces = 1 pound, . . . Ib. 1. How many grains in 1 pwt. ? in 2 pwt. 3 gr. ? 2. How many pwts. in 3 oz. ? in 4 oz. 2 pwt. ? 3....

An Elementary Arithmetic

George Payn Quackenbos - 1867 - 148 σελίδες
...silver, precious stones, and liquors; also in philosophical experiments. TABLE. 24 grains (gr.) make 1 pennyweight, pwt. 20 pennyweights, 1 ounce, . . . . oz. 12 ounces, 1 pound, . . . Ib. EXAMPLES FOE THE SLATE. 1. Reduce 48494 gr. to pounds, &c. Ans. 81b. 5oz. 14 gr. Divide by 24 ; then...

The Analysis of Intellectual Arithmetic: With Mental and Blackboard ...

Stoddard A. Felter - 1868 - 238 σελίδες
...and jewels, and in determining the specific gravity of bodies, &c. (a) TABLE. 24 grains (gr.) make 1 pennyweight. . . . pwt. 20 .pennyweights " 1 ounce oz. 12 ounces " 1 pound Ib. NOTE. — 8¿ grains make a carat for weighing diamonds. PEOBLEMS. 1. How many grains in 2 pennyweights?...

New Practical Arithmetic in which the Science and Its Applications are ...

Henry Bartlett Maglathlin - 1869 - 332 σελίδες
...WEIGHT. 203. Troy Weight is used for weighing gold, silver, and jewels. Ta"ble. 24 grains (gr.) make 1 pennyweight, pwt. 20 pennyweights, 1 ounce, oz. 12 ounces, 1 pound, Ib. AIOTHECARIES, in mixing medicines, use the pound, ounce (§), and grain, of this weight; but divide...

Introduction to the National Arithmetic: On the Inductive System Combining ...

Benjamin Greenleaf - 1870 - 336 σελίδες
...87. Troy Weight is the weight used in weighing gold, silver, and jewels. TABLE. 24 Grains (gr.) make 1 Pennyweight, pwt. 20 Pennyweights " 1 Ounce, oz. 12 Ounces " 1 Pound, Ib. pwt. pr». 1 = 24 oaf. •*• Ib. -= 1 «= 20 = 480 1 = 12 = 240 = 5760 86. How do yon reduce farthings...

Introduction to the National Arithmetic on the Inductive System: Combining ...

Benjamin Greenleaf - 1871 - 350 σελίδες
...87. Troy Weight is the weight used in weighing gold, silver, and jewels. TABLE. 24 Grains (gr.) make 1 Pennyweight, pwt. 20 Pennyweights " 1 Ounce, oz. 12 Ounces " 1 Pound, Ib. 86. How do yon reduce farthings to pence 1 Why divide by 4 ? How do you reduce pence to shillings ?...

Arithmetical Examples

Daniel W. Fish - 1871 - 300 σελίδες
...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 - 1871 - 220 σελίδες
...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,...




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