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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,. "
Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ... - Σελίδα 20
των Warren Colburn - 1834 - 245 σελίδες
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The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - 1875 - 456 σελίδες
...the other denominations in the table are divisors. TABLE. 20 grains (gr.) make 1 scruple, Bc. or 9. 3 scruples " 1 dram, dr. or 3. 8 drams " 1 ounce, oz. or §. 12 ounces " 1 pound, Ib. or ft. UNIT EQUIVALENTS. sc. gr. dr. 1 = 20 -,. 1 = 3 = 60 ,„. 1 = 8...

The Model Mental Arithmetic: Containing Oral Exercises for Graded and ...

Edgar Arthur Singer - 1876 - 184 σελίδες
...prescribing, and by apothecaries in mixing dry medicines. Table. 20 grains (gr.) are 1 scrupk, sc. or J). 3 scruples " 1 dram, dr. or 3. 8 drams " 1 ounce, oz. or %. 12 ounces " 1 pound, Ib. or R,. The pound, the ounce, and the grain are the same in Troy and Apothecaries'...

The Model Elementary Arithmetic: Including Oral and Written Exercises

Alfred Kirk, Henry Holmes Belfield - 1876 - 207 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 - 144 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 - 391 σελίδες
...apothecaries aud physicians in weighing medicines. TABLE. 20 Grains (gr.) = 1 Scruple . . . sc., or 9 3 Scruples = 1 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,...

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

Horatio Nelson Robinson - 1877 - 200 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 =...

Robinson's Progressive Primary Arithmetic for Primary Classes in Public and ...

Horatio Nelson Robinson - 1877
...are, the Pound, Ounce, Dram, Scruple, and Grain. 20 grains (gr.) make 1 scruple, marked sc. or Э3 scruples " 1 dram, " dr. or 3 . 8 drams " 1 ounce, " oz. or | . 12 ounces " 1 pound, " Ib. or Jb. Apothecaries' weight is used in mixing medicines. But medicines...

Bradbury's Eaton's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - 1882 - 374 σελίδες
...congius, is the Latiu for gallon. 542. 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 ft). 543. TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (dwt). 20...

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

Malcolm MacVicar - 1880 - 258 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....

Robinson's Progressive Primary Arithmetic: For Primary Classes in Public and ...

Horatio Nelson Robinson - 1880 - 80 σελίδες
...are, the Pound, Ounce, Dram, Scruple, and Grain. 20 grains (gr.) make 1 scruple, marked sc. or Э3 scruples " 1 dram, " dr. or 3 . 8 drams " 1 ounce, " oz. or | . 12 ounces " 1 pound, " Ib. or ¿>. Apothecaries' weight i3 used in mixing medicines. But medicines...




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