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 ## The New Federal Calculator, Or, Scholar's Assistant: Containing the Most ...

Thomas Tucker Smiley - Arithmetic - 1825 - 198 pages
...hundred weight - 1 ton, T. TROY WEIGHT. The denominations are, 24 grains (gr.) make 1 pennyweight, diet. 20 pennyweights - 1 ounce, oz. 12 ounces - - 1 pound, Ib. APOTHECARIES' WEIGHT. The denominations are, 20 grains (gr.} make 1 scruple 9 3 scruples 1 dram 5 8 drams 1 ounce § 12 ounces... ## The Child's Arithmetic ...

Ingram Cobbin - 1830 - 148 pages
...ounce 5 12 ounces one pound ffi This weight is for medicines. 19 Troy Weight. 24 grains (gr.) make 1 pennyweight pwt. 20 pennyweights 1 ounce oz. 12 ounces 1 pound Ib. This is used by goldsmiths to weigh gold, silver, jewels, &c. Cloth Measure. 4 nails (na.) make 1 quarter... ## A New and Easy Introduction to the Mathematics: Containing. A system of ...

Ira Wanzer - Arithmetic - 1831 - 408 pages
...pence at the right ; thus, 15/4, is 15 shillings and 4 pence. 3. Troy Weight. 24 Grains, (gr.) make 1 Penny-weight, pwt. 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 - 228 pages
...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 - 252 pages
...or benru, one hundred dollars. E. TABLES OF WEIGHTS AND MEASURES. TROY WEIGHT. 24 Grains (gr.) make 1 Penny-weight, pwt. 20 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 guinea. - i .. LESSON III. About Troy Weight. 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 are there in one pennyweight ? In two pennyweights ? In three pennyweights ? In... ## First Lessons in Arithmetic: Designed for Beginners

Charles Davies - Arithmetic - 1844 - 182 pages
...? In two guineas ? In three guineas ? About Troy Weight. TABLE OF TROY WEIGHT. 24 grains, gr. make 1 pennyweight, - - pwt. 20 pennyweights - 1 ounce, - - - - oz. ,12 ounces - - - 1 pound, - ... lb. 1 . How many grains are there in one pennyweight ? In two pennyweights ? In three pennyweights... ## The Prussian Calculator: By which All Business Calculations are Performed by ...

Isaac A. Clark - Arithmetic - 1846 - 204 pages
...Arithmetics, or 112 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 - -... ## An Elementary Arithmetic ...: Serving as an Introduction to the Higher ...

George Roberts Perkins - Arithmetic - 1846 - 266 pages
...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... 