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" WEIGHT is used in weighing gold and silver. 24 grains (gr.) - make - 1 pennyweight - dwt. 20 pennyweights - " - 1 ounce - - oz. 12 ounces " - 1 pound - - Ib. APOTHECARIES' WEIGHT is used for compounding medicines, but not in selling them. "
Youth's Columbian Calculator: Being an Introductory Course on Arithmetic for ... - Page 54
by Almon Ticknor - 1848 - 96 pages
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A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - Mathematics - 1811 - 406 pages
...• Shilling 1 0 3 21 1 sj, 1 Sixpence Q 6 1 22J TROY WEIGHT*. Grains - - marked gr 24 Grains make i Pennyweight dwt 20 Pennyweights 1 Ounce oz 12 Ounces 1 Pound Ib gr dwt 24 = 1 oz 480= 20= 1 H 5760=240=12=1 By this weight are weighed Gold, Silver, and JcwelsAPOTH...
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A System of Practical Arithmetic: Applicable to the Present State of Trade ...

Jeremiah Joyce - Arithmetic - 1812 - 274 pages
...&5l. iis. (id. ? 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
...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; but...
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The Scholar's Arithmetic: Designed for the Use of Schools in the United States

Jacob Willetts - Arithmetic - 1822 - 200 pages
...8 4 10 = 120 100 = 5 0 110 = 9 2 11 s= 132 110 = 5 10 120 = 10 0 12 = 144 120 = 6 0 2. TROY WEIGHT. 24 grains (gr.) make 1 Penny-weight, dwt.' »20 Penny-weights 1 Ounce, oz. 112 Ounces 1 Pound, lb. jVbfc— By this weight, jewels, gaW, silver^fmd liquors arc weighed. 3. AVOIRDUPOIS...
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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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The Schoolmaster's Assistant: Being a Compendium of Arithmetic, Both ...

Thomas Dilworth - Arithmetic - 1825 - 214 pages
...the debt ? Sum 2. OF TROY WEIGHT. Q. WHICH are the denominations of Troy weight? jf. 24 Grains, or gr. make 1 Penny-weight dwt 20 Penny-weights - 1 Ounce, oz. 12 Ounces ... - 1 Pound, lb. Q. What sort of things are weighed by this weight ? Ji. Gold, Silver, Jewels, Electuarics and all...
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The Schoolmaster's Assistant: Being a Compendium of Arithmetic, Both ...

Thomas Dilworth - Arithmetic - 1825 - 218 pages
...debt ? * Sum 2. OF TROY WEIGHT. Q. WHIOH are the denominations of Troy weight? Jl. 24 Grains, or g* make 1 Penny-weight dwt 20 Penny-weights • - 1 Ounce, oz. 12 Ounces - - - - 1 Pound, Ib. Q. What sort of things are weighed by this weight f .5. Gold, Silver, Jewels, Electuaries and all Liquors....
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The New Federal Calculator, Or, Scholar's Assistant: Containing the Most ...

Thomas Tucker Smiley - Arithmetic - 1825 - 224 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...
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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - Mental arithmetic - 1826 - 176 pages
...shillings " 1 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"""" " 4...
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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - Arithmetic - 1827 - 186 pages
...shillings " 1 pound. , £. 6 shillings " 1 dollar. 28 shillings " 1 guinea. Table III.— TROY WEIGHT. ' 24 grains gr. make 1 pennyweight, dwt. 20 pennyweights " 1 ounce. oz. 12 ounces '' 1 pound. .lb. Table IV. — AVOIRDUPOIS WEIGHT 16 drams dr. make 1 ounce. or. 16 ounces " 1 pound. lb. 28 pounds...
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