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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
The Child's Arithmetic ... - Page 134
by Ingram Cobbin - 1830

## A New and Easy Introduction to the Mathematics: Containing. A system of ...

Ira Wanzer - Arithmetic - 1831 - 396 pages
...at the left hand of a stroke, and pence at the right ; thus, 15/4, is 15 shillings and 4 pence. 3. Troy Weight. 24 Grains, (gr.) make 1 Penny-weight,...20 Penny-weights, 1 Ounce, oz. 12 Ounces, 1 Pound. 1b. Supplement. gr. pwt. • 24= 1 oz. Note. — By this vveight are 480= 20= 1 1b. weighed Gold, Silver,...

## Cobb's Explantory Arithmetick, Number Two: Containing the Compound Rules ...

Lyman Cobb - Arithmetic - 1836 - 216 pages
...gold, silver, jewellery, liquors, &c. The denominations are, Pound, Ounce, Pennyweight, and Grain. 24 grains, gr. make 1 penny-weight, pwt. 20 penny-weights - 1 ounce, oz. 12 ounces - - 1 pound, Ib. DRY MEASURE. This measure is used for grain, salt, coal, fruit, &c. The denominations are, Chaldron,...

## The Common School Arithmetic ...: To which is Added a Dictionary of ...

Peirpont Edward Bates Botham - Arithmetic - 1837 - 238 pages
...Hartford, Oct. 19, 1833. Fay AB, or benru, one hundred dollars. E. TABLES OF WEIGHTS AND MEASURES. TROY WEIGHT. 24 Grains (gr.) make 1 Penny-weight,...Penny-weights " 1 Ounce, oz. 12 Ounces " 1 Pound. lb. By Troy weight are weighed gold, silver, jewels, and all liquors. The denominators are pounds,...

## First Lessons in Arithmetic: Designed for Beginners

Charles Davies - Arithmetic - 1840 - 144 pages
...shillings - - 1 dollar - \$. 21 shillings - - 1 guinea. - i .. LESSON III. About Troy Weight. TABLE OF TROY WEIGHT. 24 grains, gr. make 1 pennyweight, -...ounce, - - - - oz. 12 ounces - - - 1 pound, - - - - Ib. 1 . How many grains are there in one pennyweight ? In two pennyweights ? In three pennyweights ? In...

## First Lessons in Arithmetic: Designed for Beginners

Charles Davies - Arithmetic - 1844 - 168 pages
...How many shillings in one guinea ? In two guineas ? In three guineas ? About Troy Weight. TABLE OF TROY WEIGHT. 24 grains, gr. make 1 pennyweight, -...pennyweights - 1 ounce, - - - - oz. ,12 ounces - - - 1 pound, - ... lb. 1 . How many grains are there in one pennyweight ? In two pennyweights ? In three pennyweights...

## An Elementary Arithmetic: Designed for Academies and Schools : Also, Serving ...

George Roberts Perkins - Arithmetic - 1846 - 266 pages
...pennyweight into 24 equal parts, still called grains, being the least weight now in common use. TABLE. ' 24 grains gr. make 1 pennyweight, pwt. 20 pennyweights " 1 ounce, oz. 12 ounces " 1 pound, Ib. gr. pwt. 24= 1 oz. 480= 20= 1 Ib. 5760=240 = 12 = 1 . What substances are weighed by Troy weight? Repeat...

## Arithmetic, in Two Parts

Frederic A. Adams - Arithmetic - 1846 - 230 pages
...carrying a barrel of flour 100 miles ? TABLE OF TROY WEIGHT. 24 grains [gr.] make 1 pennyweight, dwt. 20 pennyweights, 1 ounce, oz. 12 ounces, 1 pound, Ib. This is used for weighing gold and silver. The pound Troy is nearly one fifth less than the pound Avoirdupois. 1....

## The Prussian Calculator: By which All Business Calculations are Performed by ...

Isaac A. Clark - Arithmetic - 1846 - 204 pages
...pounds=one hundred weight; but in business, 25 is the standard qr. V. TROY WEIGHT. 24 grains (gr.) - - =1 pennyweight pwt~ 20 pennyweights - =1 ounce, oz. 12 ounces - - —1 pound, Ib; VI, APOTHECARIES' WEIGHT. 24 grains (gr.) - - =1 scruple 3 3 scruples - - =1 drachm 3 8 drachms - -...