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" Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,. "
An Intellectual Arithmetic: With an Introduction to Written Arithmetic - Σελίδα 112
των George Augustus Walton - 1869 - 176 σελίδες
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Complete Arithmetic: Elements and Commercial. New Series

Christian Brothers - 1888 - 484 σελίδες
...only in the divisions of its ounce. TABLE. 20 grains (gr.) = 1 scruple ................... scr., or 3. 3 scruples = 1 dram ................... dr., or 3. 8 drams = 1 ounce ..................... oz., or § . 12 ounces = 1 pound ..................... Ib., or Ib. EXERCISES. 1. How many grains in a scruple...

A Graded Spelling-book ...

Henry Francis Harrington - 1888 - 212 σελίδες
...quintal of fish. Apothecaries' Weight. Apothecaries' Weight is used in- mixing or compounding medcines. 20 grains (gr.) = 1 scruple (sc. or 9). 3 scruples = 1 dram (dr. or 3). 8 drams = 1 ounce (oz. or §). 12 ounces = 1 pound (Ib. or ib). 5760 grains = 1 pound. Apothecaries' fluid Measure. 60 minims...

A Graded Spelling-book: Being a Complete Course in Spelling for Primary and ...

Henry Francis Harrington - 1888 - 126 σελίδες
...Apothecaries' Weight is used in mixing or compounding medcmes. 20 grains (gr.) = 1 scruple (sc. or 3). 3 scruples = 1 dram (dr. or 3). 8 drams — 1 ounce (oz. or 5). 12 ounces = 1 pound (Ib. or ib). 5760 grains = 1 pound. Apothecaries' Fluid Measure. CO minims ('U) =1 dram (dr. or 3). 8 drams...

The New Model Arithmetic

Henry Holmes Belfield - 1891 - 362 σελίδες
...drugs are bought and sold by avoirdupois weight TABLE. 20 grains ( gr. ) = 1 scruple, ( sc. or 3.) 3 scruples = 1 dram, ( dr. or 3.) 8 drams = 1 ounce, ( oz. or 3 • ) 12 ounces = 1 pound, ( Z6. or ft).* UNIT EQUIVALENTS. Ib. oz. dr. so. gr. 1 = 12 = 96 = 288...

Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - 1892 - 428 σελίδες
...medicines are bought and sold by avoirdupois weight. TABLE. 20 Grains (gr.) = 1 Scruple . . . sc., or 3 3 Scruples = 1 Dram . . . . dr., or 3 8 Drams = 1.... . . oz., or 5 12 Ounces = 1 Pound . . . Ib. , or Ib Apothecaries' Liquid Measure is used in compounding and measuring liquid medicines. TABLE. • 60...

Numbers, and how to Use Them: by the Natural Method: A Complete, Practical ...

John Fenner Brown - 1892 - 184 σελίδες
...gr. Ans. 7 Ibs. lloz. 13 dwt. 18 gr. APOTHECARIES' WEIGHT. 20 grains (gr.) = 1 scruple (sc. or 3). 3 scruples = 1 dram (dr. or 3). 8 drams =• 1 ounce (oz. or 5 )• 12 ounces = 1 pound (lb.). The pound, ounce, and grain are the same as those of Troy weight. 1 lb. Troy or Apothecaries...

Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - 1892 - 428 σελίδες
...medicines are bought and sold by avoirdupois weight. TABLE. 20 Grains (gr.) — 1 Scruple . . . so., or 3 3 Scruples = 1 Dram . . . . dr., or 3 8 Drams = 1 Ounce . . . oz., or J 12 Ounces = 1 Pound . . . Ib., or ft Apothecaries' Liquid Measure is used in compounding and measuring...

Standard Arithmetic: Embracing a Complete Course for Schools and Academies

William James Milne - 1892 - 440 σελίδες
...physicians in weighing medicines for prescriptions. TABLE. 20 Grains (gr.) = 1 Scruple . . . so., or 3 3 Scruples = 1 Dram .... dr., or 3 8 Drams = 1 Ounce . . . oz. , or % 12 Ounces = 1 Pound . . . lb., or lb lb. oz. dr. sc. gr. 1 = 12 = 9(i = 288 = 5700 Scale. — 12,...

Elements of Arithmetic: For Primary and Intermediate Classes in Public and ...

William James Milne - 1893 - 252 σελίδες
...Apothecaries' Weight is used by apothecaries and physicians. TABLE. 20 grains (gr.)= 1 scruple (sc., or 3). 3 scruples = 1 dram (dr., or 3). 8 drams = 1 ounce (oz., or J). 12 ounces = 1 pound (lb., cr It)). r EXERCISES. 1. How many gr. are there in 3 sc. ? In4sc. ? In...

Arithmetic by Grades for Inductive Teaching, Drilling and Testing, Βιβλίο 7

John Tilden Prince - 1894 - 120 σελίδες
...penny weigh ts= 1 ounce (oz.) 12 ounces =1 pound (Ib.) 1 pound =5700 grains. Apothecaries'' Weight. 20 grains (gr.) = 1 scruple (sc. or 9) 3 scruples = 1 dram (dr. or 3) 8 drams = 1 ounce (oz. or § ) 12 ounces = 1 pound (Ib. or tt>) 1 pound ~ 5760 grains. Measures of Time. _ I 1 hundred~~ | weight...




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