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Troy Weight. 24 grains (gr.) — 1 pennyweight (dwt). 20 pennyweights — 1 ounce (oz.) 12 ounces — 1 pound (Ib.).
The Assayer's Guide: Or, Practical Directions to Assayers, Miners, and ... - Page 103
by Oscar Montgomery Lieber - 1852 - 117 pages

## A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811
...• 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...

## A System of Practical Arithmetic: Applicable to the Present State of Trade ...

Jeremiah Joyce - 1812 - 258 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. ?...

## The Complete Practical Arithmetician: Containing Several New and Useful ...

Thomas Keith - 1822 - 332 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...

## The Scholar's Arithmetic: Designed for the Use of Schools in the United States

Jacob Willetts - 1822 - 191 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...

## The Teachers' Assistant: Or a System of Practical Arithmetic

Stephen Pike - 1824 - 198 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....

## The Schoolmaster's Assistant: Being a Compendium of Arithmetic, Both ...

Thomas Dilworth - 1825 - 194 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...

## The Schoolmaster's Assistant: Being a Compendium of Arithmetic, Both ...

Thomas Dilworth - 1825 - 194 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....

## Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1826 - 172 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...