 | Alfred Kirk, Henry Holmes Belfield - Arithmetic - 1876 - 220 pages
...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.... | |
 | Edgar Arthur Singer - Mental arithmetic - 1876 - 198 pages
...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'... | |
 | James Bates Thomson - Arithmetic - 1876 - 156 pages
...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,... | |
 | Horatio Nelson Robinson - Arithmetic - 1877 - 210 pages
...medicines are bought and sold by Avoirdupois Weight. TABLE. 20 Grains (gr.) make 1 Scruple sc. or 3. 3 Scruples " 1 Dram dr. or 3. 8 Drams " 1 Ounce oz. or J. 12 Ounces " 1 Pound Ib. or B). UNIT EQUIVALENTS. , sc.gr. dr. 1 = 20 oz. 1 = 3 = 60 Ib. 1 = 8 - 24 = 480 1 = 12 = 96 = 288 = 5760... | |
 | Horatio Nelson Robinson - Arithmetic - 1877 - 212 pages
...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 = 24 = 480 1 = 12 = 96 =... | |
 | James Stewart Eaton - 1877 - 200 pages
...medicines ; but medicines are bought and said 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 § 12 Ounces " 1 Pound, Ib. or ft SCALE. Descending, 12, 8, 3, 20 ; Ascending, 20, 3, 8, 12. NOTE.... | |
 | William James Milne - Arithmetic - 1877 - 402 pages
...used by 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,... | |
 | Horatio Nelson Robinson - Mathematics - 1877 - 98 pages
...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... | |
 | William James Milne - Arithmetic - 1878 - 406 pages
...apothecaries and physicians in weighing medicines. TABLE. 20 Grains (gr.) = 1 Scruple . . . sc., or Э 3 Scruples = 1 Dram .... dr., or 3 8 Drams = 1 Ounce .... oz., or § 12 Ounces = 1 Pound .... Ib., or ft №. 02. dr. sc. gr. 1 = 12 = 96 = 288 = 5760 Scale— 20, 3,... | |
 | William Frothingham Bradbury - 1882 - 416 pages
...Cong., for 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... | |
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TABLE. 20 grains (gr.) make 1 scruple, sc. or 9. 3 scruples " 1 dram, dr. or 3. .8 drams " 1 ounce, oz. or §. 12 ounces 
