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" Weight is used by apothecaries and physicians in weighing medicines for prescriptions, but 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 Ounce... "
An Intellectual Arithmetic - Σελίδα 112
των George Augustus Walton - 1873 - 176 σελίδες
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The Model Elementary Arithmetic: Including Oral and Written Exercises

Alfred Kirk, Henry Holmes Belfield - 1876 - 220 σελίδες
...In compounding prescriptions. TABLE OF APOTHECARIES' WEIGHT. 20 grains (gr.) = 1 scruple (sc. or 3.) 3 scruples = 1 dram (dr. or 3 .) 8 drams = 1 ounce (oz. or 1 .) 12 ounces = 1 pound (Ib. or H'.) ORAL. 1. How many gr. in 5 sc.? 2. How many dr. in 18 sc. 3....

New Mental Arithmetic

James Bates Thomson - 1876 - 156 σελίδες
...Ans. Pounds, ounces, drams, scruples, and grains. TABLE. 20 grains (ffr.) are 1 scruple, sc., or Э3 scruples " 1 dram, dr., or 3 . 8 drams " 1 ounce, oz., or 3 . 12 ounces " 1 pound, B>NOTES.— 1. The only difference between Troy and Apothecaries' weight,...

The Practical Arithmetic on the Inductive Plan: Including Oral and Written ...

William James Milne - 1877 - 402 σελίδες
...APOTHECARIES' WEIGHT. 273. Apothecaries' Wei fj fit is used by apothecaries aud physicians in weighing medicines. TABLE. 20 Grains (gr.) = 1 Scruple . ....Dram .... dr., or 3 8 Drams = 1 Ounce .... oz., or 3 12 Ounces = 1 Pound .... lb., or ' Ib. oz. dr. sc. gr. 1 = 12 = 96 = 288 = 5760 Scale— 20, 3, 8,...

New Rudiments of Arithmetic

James Bates Thomson - 1877 - 236 σελίδες
...denominations ? Pounds, ounces, drams, scruples, and grains. TABLE. 20 grains (rjr.) are 1 scruple, sc., or 3. 3 scruples " 1 dram, dr., or 3 . 8 drams " 1 ounce, oz., or § . 12 ounces " 1 pound, ib. NOTE. — The only difference between Troy and Apothecarief wci.n-'1t, is in the diwinn of the ounce....

The Rudiments of Written Arithmetic: Containing Slate and Black-board ...

Horatio Nelson Robinson - 1877 - 212 σελίδες
...medicines are bought and sold by Avoirdupois Weight. TABLE. 20 Grains (gr.) make 1 Scruple se. or 3. 3 Scruples " 1 Dram dr. or 3. 8 Drams " 1 Ounce oz. or J . 12 Ounces " 1 Pound lb. or ft. UNIT EQUIVALENTS. sc. gr. dr 1 = 20 oz. 1 - 3 — 6O Ib. 1 = 8 =...

A Mental Arithmetic

George Payn Quackenbos - 1879 - 198 σελίδες
...apothecaries, in mixing medicines. TABLE OF APOTHECARIES' WEIGHT. 20 grains (gr.) make 1 scruple, . sc. or Э. 3 scruples, 1 dram,. . dr. or 3. 8 drams, 1 ounce, . oz. or f . 12 ounces, 1 pound, . Ib. or й>. 1. How many scruples in 5 oz. ? In 1 Ib. ? 2. How many drams...

The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - 1875 - 472 σελίδες
...pound, of which all the other denominations in the table are divisors. TABLE. 20 grains (gr.) make 1 scruple, ........ sc. or 9. 3 scruples " 1 dram,............. dr. or 3. 8 drams " 1 ounce ........... oz. or J. 12 ounces " 1 pound, ......... Ib. or ro. UNIT EQUIVALENTS. SCALE — ascending, 20, 3, 8, 12 ;...

Teachers' Manual of Elementary Arithmetic: Including Oral, Slate, and ...

Malcolm MacVicar - 1880 - 268 σελίδες
...apothecaries in compounding dry medicines. TABLE OF UNITS. 20 grains (gr.) make 1 scruple . . sc. or 3. 3 scruples " 1 dram . . dr. or 3. 8 drams " 1 ounce . . oz. or f . 12 ounces " 1 pound . . fbThe pound, ounce, and grain, are the same in Troy and Apothecaries' weight....

Bradbury's Eaton's Practical Arithmetic, Combining Oral and Written ...

William Frothingham Bradbury - 1881 - 404 σελίδες
...is the Latin for one eighth. Cong., for congius, is the Latin for gallon. 542. APOTHECARIES' WEIGHT. 20 grains (gr.) = 1 scruple (sc. or 9). 3 scruples = 1 dram (dr. or 3). 8 drams = 1 ounce (or., or § ). 12 ounces = 1 pound (Ib. or jti). Apothecaries' Measures are used in mixing medicines...

The Common School Arithmetic: Combining Analysis and Synthesis. Adapted to ...

James Stewart Eaton - 1882 - 368 σελίδες
...compounding medicines ; but medicines are bought and sold by Avoirdupois Weight. TABLE. 20 Grains (gr.) make 1 Scruple, sc. or 9 3 Scruples " 1 Dram, dr. or 3 8 Drams " 1 Ounce, oz. or 3 12 Ounces " 1 Pound, Ib. or Ib. sc. gr. dr. 1 = 20 oz. 1 = 3 = 60 Ib. 1 = 8 = 24 = 480 1 = 12 = 96...




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