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

## Will's Commercial Arithmetic: Presenting the Best Usage in Modern Business ...

William Russell Will - Business mathematics - 1913 - 316 pages
...(T.). 140. Troy weight is used by jewelers in weighing gold, silver, and other precious metals. Scale: 24 grains (gr.) = 1 pennyweight (pwt.); 20 pennyweights = 1 ounce (oz.); 12 ounces = 1 pound (lb.). Country Argentine Republic Austria-Hungary Belgium Brazil British America . . . Chili EcrvDt...

Charles William Morey - Arithmetic - 1913 - 468 pages
...ounce contains 437} grains. The Avoirdupois pound contains 7000 grains. ADVANCED ARITHMETIC TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (lb.) 1 Ib. = 12 oz. = 240 pwt. = 5760 gr. The Troy ounce contains 480 grains. The Troy pound contains...

Charles Ernest Chadsey - 1914 - 276 pages
...pounds = 1 hundredweight (cwt.) 2000 pounds =1 ton (T.) One pound Avoirdupois =7000 grains. Troy Weight 24 grains (gr.) =1 pennyweight ....(pwt.) 20 pennyweights =1 ounce (oz.) 12 ounces =1 pound (Ib.) One Pound Troy = 5760 grains. Apothecaries' Weight 60 grains (gr.) =1 dram (dr.orS) 8 drams =1 ounce...

## Walsh-Suzzallo Arithmetics ...: Fundamental processes

John Henry Walsh, Henry Suzzallo - Arithmetic - 1914 - 524 pages
...pork . . . = 200 Ib. 1 bushel of barley . . . = 48 Ib. 1 keg of nails . . . . = 100 Ib. TROY WEIGHT 24 grains (gr.) . . . . = 1 pennyweight . . pwt 20.... . = 1 ounce oz. 12 ounces = 1 pound . . . . Ib. One pound Troy = 5700 grains. APOTHECARIES' WEIGHT 60 grains (gr.) . . . . = 1 dram . . . dr., or 3....

Charles Ernest Chadsey - 1914 - 264 pages
...pounds = 1 hundredweight (cwt.) 2000 pounds =1 ton (T.) One pound Avoirdupois =7000 grains. Troy Weight 24 grains (gr.) = 1 pennyweight ....(pwt.) 20 pennyweights =1 ounce (oz.) 12 ounces =1 pound. (lb.) One Pound Troy =5760 grains. Apothecaries' Weight 60 grains (gr.) =1 dram.._ (dr.orS) 8 drams...

## Walsh-Suzzallo Arithmetic: By Grades. Third-[eighth] year

John Henry Walsh, Henry Suzzallo - Arithmetic - 1915 - 168 pages
...of flour 1 barrel of pork 1 keg of nails . = 60 lb. . = 196 lb. . = 200 lb. . = 100 lb. TROY WEIGHT 24 grains (gr.) . . . . = 1 pennyweight . . pwt 20...pennyweights . . . . = 1 ounce oz, 12 ounces = 1 pound . . . . lb. One pound Troy = 5760 grains. APOTHECARIES' WEIGHT 60 grains (gr.) . . . . = 1 dram . ....

## School Arithmetics: Grammar School Book

Florian Cajori - 1915 - 468 pages
...(oz.) = 1 pound (lb.) 100 pounds (lb.) = 1 hundredweight (cwt.) 2000 pounds = 1 ton (T.) Troy Weight 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces ^ =1 pound (lb.) 1 troy lb. = 5760 gr. = ftffi av. lb. 1 troy oz. = 480 gr. or about 1.1 av. oz. Apothecaries'...

## Buker-Felter Arithmetics, Book 3, Parts 1-2

Eva F. Buker - 1915 - 436 pages
...weight. 1 oz. avoir. = 437i grains, Troy weight. Troy Weight 24 grains (gr.) = 1 pennyweight (dwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) Apothecaries' Weight Apothecaries' Liquid Measure 20 grains (gr.) = 1 scruple (sc. or 3) 60 minims (TH) =1 fluid dram (f...