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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

Mathematics

American School (Chicago, Ill.) - Engineering - 1903 - 428 pages
...It is well to observe the following tables, although they are not absolutely essential. TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) also 3£ grains = 1 carat (K.) APOTHECARIES' WEIGHT. 20 grains (gr.) = 1 scruple (3) 3 scruples = 1...

An Introductory Arithmetic

David Martin Sensenig, Robert F Anderson - Arithmetic - 1903 - 274 pages
...gold, silver, platinum, and jewels, except precious stones. The standard unit is the TROY POUND. TABLE. 24 grains (gr. ) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (Ib.). NOTE 1. The unit of weight for precious stones is the CARAT, which equals 4 diamond grains, or about...

The Elements of Arithmetic in Theory and Practice

John William Hopkins, Patrick Healy Underwood - Arithmetic - 1903 - 576 pages
...ream 12 gross = 1 great gross 2 reams = 1 bundle 20 units = 1 score 5 bundles = 1 bale TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) 1 pound Troy = 5760 grains Troy weight is used in weighing precious metals and jewelry. REDUCTION DESCENDING...

Fullständigaste engelsk-svenska brefställaren för svenska folket i Amerika

Bookkeeping - 1903 - 416 pages
..." Troy-vigten begagnas vid vagning af guld, silrVer och juveler. Dess Pound innehaller 5760 grains. 24 grains (gr.) — 1 pennyweight (pwt). 20 pennyweights — 1 ounce (oz.) 12 ounces — 1 pound (Ib.) i Ib. —= 12 oz. _ 240 pwt — 5760 gr. 1 oz. = 20 pwt — 480 gr. 1 pwt — 24 gr. Apotekares vigt...

New Grammar School Arithmetic, Part 2

John Henry Walsh - Algebra - 1903 - 296 pages
...is used in the United States Custom Houses and in weighing coal and iron at the mines. TROY WEIGHT 24 grains (gr.) . . . . = 1 pennyweight . . pwt 20.... . = 1 ounce oz. 12 ounces = 1 pound . . . . Ib. One pound Troy = 5760 grains. APOTHECARIES' WEIGHT 60 grains (gr.) . . . . = 1 dram . . . dr., or 3....

Frank J. Browne - Arithmetic - 1903 - 232 pages
...19. How much will 60 pounds of potatoes cost at \$.80 a cental? 1. Memorize the TABLE FOR TROY WEIGHT. 24 grains (gr.) — 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) The gold dollar weighs 25.8 grains. The silver dollar weighs 412 grains. The carat, very nearly 3^...

An Introductory Arithmetic

David Martin Sensenig, Robert F Anderson - Arithmetic - 1903 - 272 pages
...silver, platinum, and .jewels, except precious stones. The standard unit is the TEOY POUND. TABLE. 24 grains (gr. ) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). NOTE 1. The unit of weight for precious stones is the CARAT, which equals 4 diamond grains,...

An Introductory Arithmetic

David Martin Sensenig, Robert F Anderson - Arithmetic - 1903 - 276 pages
...gold, silver, platinum, and jewels, except precious stones. The standard unit is the TROY POUND. TABLE. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). NOTE 1. The unit of weight for precious stones is the CARAT, which equals 4 diamond grains,...