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 Stone-Millis Arithmetics

John Charles Stone, James Franklin Millis - Arithmetic - 1911 - 272 pages
...technical pursuits. Goldsmiths, in weighing the precious metals and stones, use the system of Troy weight : 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) Physicians and druggists, in prescriptions, use the system of Apothecaries' weight: 20 grains (gr.)...

## The Mariners' Handbook: A Convenient Reference Book for Navigators ...

International Correspondence Schools - Naval art and science - 1911 - 450 pages
...hundredweight ...... cwt. 20 cwt., or 2,240 lb ......... - 1 ton .................. T. TROY WEIGHT 24 grains (gr.) .............. = 1 pennyweight .......................... oz. 12 ounces .................. =1 pound ............... lb. 1 lb.-12 oz.=240 pwt. -5,760 gr. DRY MEASURE 2 pints (pt.) ................ —...

## Complete Arithmetic

Bruce Mervellon Watson, Charles Edward White - Arithmetic - 1911 - 426 pages
...coined, but are written as fractions of a penny. 192. TABLE OF FRENCH MONEY 193. TABLE OP TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). These weights are used in weighing gold, silver, and some jewels. To get an idea of the weight...

## Graded Exercises in Arithmetic, Book 5, Issue 1

Maria Jury, Jerome A. O'Connell, Edward B. Shallow - Arithmetic - 1911 - 236 pages
...pounds = 1 ton (T.) 2240 pounds = 1 long ton 196 pounds = 1 barrel of flour TROT WEIGHT 24 grains = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) UNITED STATES MONEY 10 mills (m.) = 1 cent (f or ct.) 10 cents = 1 dime (d.) 10 dimes = 1 dollar (\$)...

## Hopkins and Underwood's Arithmetic: Book One-two, Book 2

John William Hopkins, Patrick Healy Underwood - Arithmetic - 1912 - 396 pages
...(yd. ) 5 J yards = 1 rod (rd.) , or pole 40 rods = 1 furlong 8 furlongs = 1 mile (mi.) TROT WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) PAPER MEASURE 24 sheets 20 quires 2 reams 5 bundles = 1 quire = 1 ream = 1 bundle = 1 bale CIRCULAR...

## A Civil Service Manual: Arithmetic.-v.2. English and allied subjects ...

...beef or pork = 200 Ib. Troy Weight Troy weight is used in weighing gold, silver, and precious stones. 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights .= 1 ounce (oz.) 12 ounces •= 1 pound (Ib) 5,760 grains = 1 pound (Ib) Apothecaries' Weight 20 grains (gr.) = 1 scruple (Э) 3 scruples = 1 dram...

## Arithmetic

...beef or pork = 200 lb. Troy Weight Troy weight is used in weighing gold, silver, and precious stones. 24 grains (gr.) «= 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (tb) 5,760 grains = 1 pound (tb) Apothecaries' Weight 20 grains (gr.) = 1 scruple O) 3 scruples = 1...

## The New Business Arithmetic: A Treatise on Commercial Calculations

James A. Lyons - Business mathematics - 1912 - 392 pages
...Troy Weight is used in weighing gold, silver and other precious metals. TABLE 24 grains (gr.) make 1 pennyweight. . .pwt. ^- 20 pennyweights " 1 ounce oz. 12 ounces " 1 pound Ib. In addition to the above, the following, called Diamond Weight, is used in weighing diamonds and other...