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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 "
First Lessons in Arithmetic: Combining the Oral Method with the Method of ... - Σελίδα 149
των Charles Davies - 1849 - 168 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

The Natural Arithmetic: Book 1-, Τόμος 3

Isaac Oscar Winslow - 1901 - 312 σελίδες
...7000 grains. TROY WEIGHT Troy Weight is used in weighing gold, silver, and jewels. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound 281 (5). APOTHECARIES' WEIGHT Apothecaries' Weight is used in mixing medicines. 20 grains (gr.)= 1...

An Inductive Arithmetic for Intermediate and Higher Grades of Public and ...

Joseph Henry Dunbar - 1902 - 404 σελίδες
...and the Avoirdupois Pound, the value of the former being to the value of the latter as 5760 to 7000, Table of Troy Weight. 24 grains (gr.) make 1 pennyweight,...20 pennyweights " 1 ounce, oz. 12 ounces " 1 pound, !t'. Table of Avoirdupois Weight. 16 ounces (oz.; make 1 pound, tt', 2000 pounds " 1 ton, T. 2240 pounds...

The Model Elementary Arithmeti:c: Oral and Written, Μέρος 2

Edward Gideon - 1902 - 182 σελίδες
...denominations of Troy weights are grain, pennyweight, ounce, and pound. Table. &4 grains (gr.) are 1 pennyweight, pwt. 20 pennyweights " 1 ounce, oz. 12 ounces " 1 pound, Ib. 1 Ib. = 1% oz. = %40 pwt. = 5760 gr. II. AVOIRDUPOIS WEIGHTS. Avoirdupois Weights are used in weighing...

The Arithmetic Help, for Pupils, Teachers, Business Men

Alvord D. Robinson - 1902 - 572 σελίδες
...TROY WEIGHT. Troy weight is used in weighing the precious metals and jewels. TABLE. 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces — 1 pound (Ib.) APOTHECARIES' WEIGHT. This is used in mixing and selling medicines not liquid. Druggists generally...

Essentials of Arithmetic

David Martin Sensenig, Robert Franklin Anderson - 1902 - 376 σελίδες
...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.). lib. = 12oz. = 240 pwt. = 5760 gr. Note. The unit of weight for precious stones is the Carat, which...

A Textbook on Metallurgy of Gold, Silver, Copper, Lead, and Zinc, Τόμος 1

International Correspondence Schools - 1902 - 794 σελίδες
...unless the long ton (2,240 pounds) is especially mentioned. TROY WEIGHT. TABLE 10. 24 grains (gr.) = 1 pennyweight .... pwt. 20 pennyweights = 1 ounce oz. 12 ounces = 1 pound Ib. Ib. oz. pwt. gr. 1 = Id - -J40 = 5,760 214. Troy weight is used in weighing gold and silverware, jewels,...

A Textbook on Steam Engineering, Τόμος 1

1902 - 514 σελίδες
...ton, unless the long ton (2,240 pounds) is especially mentioned. TROY WEIGHT. TABLE. 24 grains (gr.) = 1 pennyweight .... pwt. 20 pennyweights = 1 ounce oz. 12 ounces = 1 pound Ib. Ib. oz. pwt. gr. 1 = 12 =: 240 = 5,760 Troy weight is used in weighing gold and silver ware, jewels,...

Modern Commercial Arithmetic

Frank Joseph Schneck - 1902 - 288 σελίδες
...oz. 1 = 20 = 2000 = 32000 Troy Weight 133. Troy weight is used by jewelers. TABLE 24 grains (gr.) = 1 pennyweight, pwt. 20 pennyweights = 1 ounce. oz. 12 ounces = 1 pound. Ib. Ib. 1 = oz. 12 = pwt. gr. 240 = 5760 Scale.—12, 20, 24. Apothecaries' Weight 134. Apothecaries' weight...

Complete Graded Arithmetic: Grades IV, VI.

George Edward Atwood - 1902 - 168 σελίδες
...pork = 200 Ib. 1 bushel of barley = 48 Ib. 1 keg of nails = 100 Ib. 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., or 3. 8 drams...

Complete Graded Arithmetic: Third grade-[eighth grade], Τόμος 6

George Edward Atwood - 1902 - 168 σελίδες
...pork = 200 lb. 1 bushel of barley = 48 lb. 1 keg of nails = 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 . . dr., or...




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