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" TABLE. 24 grains (gr.) = 1 pennyweight, (pwt.) 20 pennyweights = 1 ounce, (oz.) 12 ounces =1 pound. (Ib.) Apothecaries' Weight is used in compounding medicines. "
Standard Arithmetic: Embracing a Complete Course for Schools and Academies - Σελίδα 423
των William James Milne - 1911 - 459 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

First Lessons in Arithmetic, Oral and Written: Illustrated for Primary Schools

James Bates Thomson - 1882 - 158 σελίδες
...XI. Troy Weight. Troy Weight is used to weigh gold, silver, jewels, etc. TABLE. 24 grains (gr.) = I pennyweight, pwt. 20 pennyweights = 1 ounce, oz. 12 ounces = 1 pound, Ib. ORAL EXERCISES. 1. How many grains in 2 pennyweights ? 2. How many pwts. in 2 oz. ? 3 oz. ? 5 oz. ?...

Fish's Arithmetic Number One: Oral and Written ...

Daniel W. Fish - 1883 - 186 σελίδες
.... . G. . . 5.11 MEASURES OF WEIGHT. 93. Troy Weight is used in weighing gold, silver, jewels, etc. TABLE. 24 Grains (gr.) = 1 Pennyweight, . pwt. 20...1 Ounce, . . . oz. 12 Ounces = 1 Pound, . . . Ib. 94. Apothecaries' Weight is used by apothecaries and physicians in compounding dry medicines. TABLE....

Complete Arithmetic Combining Oral and Written Exercises

Indiana. State Board of Education - 1886 - 360 σελίδες
...200.—Troy Weight is used in weighing gold, silver, jewels, and fluids in philosophical experiments. TABLE. 24 grains (gr.) = 1 pennyweight, pwt. 20 pennyweights = 1 ounce, oz. 12 ounces = 1 pound, Ib. The unit of weight is the Troy pound, which is equal in weight to 22.794377 cubic inches of distilled...

Standard Elementary Arithmetic: Combining Oral and Written Exercises

Edward Sylvester Ellis - 1886 - 200 σελίδες
...higher denominations. TROY WEIGHT. ART. 152.—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, Ib. APOTHECARIES' WEIGHT. ART. 153.—Apothccarie§' Weight is used in compounding medicines. 20 grains...

Complete Arithmetic: Elements and Commercial. New Series

Christian Brothers - 1888 - 484 σελίδες
...jewels, and also in philosophical experiments. 151. The Unit of Troy Weight is the pound of 5760 grains. TABLE. 24 grains (gr.) = 1 pennyweight pwt. 20 pennyweights — 1 ounce oz. 12 ounces = 1 pound Ib. OSAI, EXERCISES. 1. How many grains in 1 pwt. ? In 4 pwt. ? In 6 pwt. ? In 10 pwt. ? In 20 pwt. ? In...

Numbers Applied, a Complete Arithmetic, Μέρος 1

Andrew Jackson Rickoff - 1886 - 688 σελίδες
...stones, etc., Troy "Weight is used. The standard unit is the Troy pound = 5760 grains. Troy Weight. Table. 24 Grains (gr.) = 1 Pennyweight (pwt.). 20 Pennyweights = 1 Ounce (oz.). 12 Onnces = 1 Pound (lb.). Equivalents. 1 Pound = 12 Ounces = 240 Pennyweights = 5760 Grains. Practical...

Numbers Applied

Andrew Jackson Rickoff - 1888 - 464 σελίδες
...stones, etc., Troy Weight is used. The standard unit is the Troy pound = 5760 grains. Troy Weight. Table. 24 Grains (gr.) - 1 Pennyweight (pwt.). 20 Pennyweights = 1 Ounce (oz.). 12 Ounces = 1 Pound (lb.). Equivalents. 1 Pound = 12 Ounces = 240 Pennyweights = 5760 Grains. Practical illustrations of...

Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson - 1888 - 372 σελίδες
...in weighing gold, silver, and jewels, and in philosophical experiments. TABLE. 24 Grains (gr.) make 1 Pennyweight pwt. 20 Pennyweights " 1 Ounce oz. 12 Ounces " 1 Pound Ib, UNIT EQUIVALENTS. pwt. gr. oz. 1 = 24 Ib. 1-20-480 1 = 12 = 240 = 5760 SCALE— ascending, 24, 20,...

Elementary Arithmetic: Combining Oral and Written Exercises

Edward Sylvester Ellis - 1889 - 196 σελίδες
...denominations. TROY WEIGHT. ART. 152. — 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, Ib. APOTHECARIES' WEIGHT. ART. 153. — Apothecaries' Weight is used in compounding medicines. 20 grains...

The Essentials of Business Arithmetic, for Use in Business Colleges

Caton's national business college, Buffalo, N.Y. - 1889 - 330 σελίδες
....68 .136 MEASURES OF WEIGHT. 157. Troy "Weight is used in weighing gold, silver, jewels, etc. Scale : 24 grains (gr.) = 1 pennyweight (pwt.) ; 20 pennyweights = 1 ounce (oz.) ; 12 ounces = 1 pound (Ib.) 158. Apothecaries' "Weight is used by physicians and apothecaries in compounding medicines which are...




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