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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

## A Mental Arithmetic, Upon the Inductive Plan

Benjamin Greenleaf - Mental arithmetic - 1860 - 164 pages
...pounds will 32 yards of carpeting cost ? LESSON XX. TABLE OF TROY, OR MINT WEIGHT. 24 Grains (gr.) make 1 Pennyweight, pwt. 20 Pennyweights " 1 Ounce, oz. 12 Ounces " 1 Pound, Ib. NOTE. — This weight is used in weighing gold, silver, and jewels. 1 . How many grains in 1 pennyweight...

## The Progressive Intellectual Arithmetic on the Inductive Plan: Being a ...

Horatio Nelson Robinson - Arithmetic - 1860 - 192 pages
...many pairs of shoes can be bought for 2 sovereigns ? 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...

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

Benjamin Greenleaf - Arithmetic - 1860 - 456 pages
...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 - Arithmetic - 1863 - 188 pages
...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 - Arithmetic - 1869 - 188 pages
...is used for 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 - Arithmetic - 1867 - 148 pages
...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 - Arithmetic - 1868 - 234 pages
...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 - Arithmetic - 1869 - 332 pages
...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...