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" TROY WEIGHT. 24 Grains (gr.) make 1 Pennyweight, dwt. 20 Pennyweights " 1 Ounce, oz. 12 Ounces "1 Pound, Ib. M APOTHECARIES "
The practical calculator: a treatise on arithmetic - Page 28
by C W. Thornhill - 1854
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A System of Practical Arithmetic: Applicable to the Present State of Trade ...

Jeremiah Joyce - Arithmetic - 1812 - 274 pages
...24. In 769 guineas, how many sixpences i TROY, OR GOLDSMITHS' WEIGHT, f TABLE. 34 grains (gr.) . . make . . 1 pennyweight, dwt. 20 pennyweights 1 ounce, . . . oz. 12 ounces 1 pound, . . . lt'. Ex. 1. How many grains of gold are there in a cup weighing 3 Hi. 9 oz. 0 dwts. 18 grs. ?...
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The Complete Practical Arithmetician: Containing Several New and Useful ...

Thomas Keith - Arithmetic - 1822 - 354 pages
...TABLES. TABLE II. TROY WEIGHT. By this weight are weighed gold, silver, jewels, amber, and all liquors 24 grains make 1 pennyweight, dwt. 20 pennyweights — 1 ounce, oz. 12 ounces — 1 pound, Ib. TABLE III. APOTHECARIES WE1OHT. Apothecaries, chemists, &c. use this weight in mixing medicines;...
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A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - Mathematics - 1822 - 616 pages
...Value. > .d 5 0 2 6 1 0 0 6 Weight, dwt gr 19 «J 9 16j 3 21 A Crown Half-Ciwi» Shilling Sixpence 2 16j TROY WEIGHT.* Grains - - marked gr 24 Grains make 1 Pennyweight dwt 20 Penny weights 1 Ounce oz 12 Ounces 1 Pound !!• gr dwt 24= 1 oz 480= 20= 1 Ib 5760=240=12= 1 By this...
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The Teachers' Assistant: Or a System of Practical Arithmetic

Stephen Pike - Arithmetic - 1824 - 212 pages
...weighed. The denominations of Troy Weight are pound, ounce, pennyweight, and grain. 24 grains (gv.) make 1 pennyweight dwt. 20 pennyweights - - 1 ounce - - oz. 12 ounces - - - - 1 pound - - lb. EXAMPLES. 1. 'Reduce 576 pounds to ounces. Facit 6912 oz. 2. Change 1740 ounces to pennyweights....
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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - Mental arithmetic - 1826 - 176 pages
...pound. £. 6 shillings " 1 dollar. 28 shillings " 1 guinea. Table HI.— TROY WEIGHT. 24 grains gr. make 1 pennyweight, dwt. 20 pennyweights " 1 ounce. oz. 12 ounces " 1 pound. Ib. Table IV. — AVOIRDUPOIS WEIGHT 16 drams dr. make 1 ounce. oz. 16 ounces " 1 pound. Ib. "I""""...
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The New Federal Calculator: Or, Scholar's Assistant: Containing the Most ...

Thomas Tucker Smiley - Arithmetic - 1830 - 192 pages
...quarter, oz. Ib. qr. hundred weight, Cwt. ton, - - T. TROY WEIGHT. The denominations are,. 24 grains (gr.) make 1 pennyweight, dwt. 20 pennyweights - 1 ounce, - oz. 12 ounces - - 1 pound, - R>. APOTHECARIES' WEIGHT. The denominations are, 20 grains (gr.) make 1 scruple 9 3 scruples 1 dram...
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A Treatise on Arithmetic: Designed Particularly as a Text for Classes in ...

Frederick Augustus Porter Barnard - Arithmetic - 1830 - 308 pages
...qrs. 15 Ibe. 15 oz*. 15 drs. ? The following are the denominations of . TROY WEIGHT. 24 grains (gr.) make 1 penny-weight, dwt. 20 penny-weights 1 ounce oz. 12 ounces 1 pound Ib. NOTE. By this weight are weighed jewels, the precious metale, coin, bread and liquors. The quality,...
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A Treatise on Arithmetic: Designed Particularly as a Text for Classes in ...

Frederick Augustus Porter Barnard - Arithmetic - 1830 - 304 pages
...qrs. 15 Ibs. 15,oz. 15 drs. ? The following are- the denominations of TROY WEIGHT. 24 grains (gr.) make 1 penny-weight, dwt. 20 penny-weights 1 ounce oz. 12 ounces 1 pound Ib. NOTE. By this weight are weighed jewels, the precious metals, coin, bread and liquors. The qual,ty,...
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The Teachers' Assistant: Or, A System of Practical Arithmetic ...

Arithmetic - 1831 - 210 pages
...weighed. The denominations of Troy Weight are pound, ounce, pennyweight, and grain. 24 grains (gr.) make 1 pennyweight dwt. 20 pennyweights - 1 ounce - oz. 12 ounces - 1 pound - Ib.EXAMPLES. ' ' . Change 1 740 ounces to pennyweights. Facit 34800 dwts. . Bring 145 pennyweights...
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Ciphering made easy, or, An attempt to render simple and interesting the ...

Ciphering - 1833 - 190 pages
...cwt. 20 Hundred-weight 1 Ton T. TROY WEIGHT. For weighing Go1d, Si1ver, and Jewe1s. 24 Grains (gr. ) make 1 Pennyweight dwt. 20 Pennyweights 1 Ounce oz. 12 Ounces 1 Pound lb. For weighing out Drugs and a11 kinds of Medicines. 20 Grains (gr.) make 1 Scruple «r. 3 Scruples...
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