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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,. "
A Course of Mathematics: In Two Volumes. For the Use of Academies, as Well ... - Page 25
by Charles Hutton - 1818 - 558 pages
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School Arithmetic for Grammar Grades

Samuel Hamilton - Arithmetic - 1909 - 398 pages
...Apothecaries' Weight This is used only in filling medical prescriptions. 20 grains = 1 scruple — so. or 3 3 scruples = 1 dram — dr. or 3 8 drams = 1 ounce — oz. or J 12 ounces =1 Ib. or ft Counting 12 things = 1 dozen (doz.) 12 dozen = 1 gross (gro.) 12 gross = 1 great gross 20...
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The Appleton Arithmetics, Book 2

Jacob William Albert Young, Lambert Lincoln Jackson - Arithmetic - 1909 - 282 pages
...yard = 1 load (of earth, etc.) 24f cubic feet = 1 perch (stone) Apothecaries' Weight 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.) 5760 grains = 1 pound The table of apothecaries' weight is used by pharmacists...
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Complete Arithmetic

Samuel Hamilton - Arithmetic - 1909 - 530 pages
...ounce = 480 grains Apothecaries' Weight This is used only in filling medical prescriptions. 20 grains = 1 scruple — sc. or 3 3 scruples = 1 dram — dr. or 3 8 drams = 1 ounce — oz. or 5 12 ounces =1 Ib. or Ib Counting 12 things = 1 dozen (doz.) 12 dozen = 1 gross (gro.) 12 gross = 1...
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A Practical Arithmetic

Frank Lincoln Stevens, Tait Butler, Adeline T. Chapman Stevens, Mrs. F. L. Stevens - Arithmetic - 1909 - 420 pages
...grains = 1 pound J 480 grains = 1 ounce 1 rr< 5760 grains = 1 pound J ^ APOTHECARIES' WEIGHT 20 grains = 1 scruple (sc. or 3) 3 scruples = 1 dram (dr. or 3) 8 drams = 1 ounce (oz. or 3 ) 12 ounces! 1 j /-\\ vt.^ rrrar. • \=i pound (lb. or ID) 5760 grains J v J APOTHECARIES' LIQUID...
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An Exercise Book in Arithmetic: Oral and Written

Gordon Augustus Southworth, John Charles Stone - Arithmetic - 1910 - 176 pages
...ounce i 7000 " = 1 pound! 480 " =1 ounce i 5760 " = 1 pound / y ' Apothecaries' Weight. 20 grains = 1 scruple (sc. or 3) 3 scruples = 1 dram (dr. or 3 ) 8 drams = 1 ounce (oz. or J ) 12 ounces ) c-rarv - > = 1 pound (lb. or ft.) 5760 grains i v ' Length. . 12 'inches (in.) = 1 foot (ft.) 3 feet...
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An Exercise Book in Arithmetic, Oral and Written: For Supplementary Or ...

Gordon Augustus Southworth, John Charles Stone - Arithmetic - 1910 - 188 pages
...(sq. rd.) 160 square rods -5 1 . . 43,560 square feet/ ~ aure ( ° Apothecaries'° Weight. 20 grains = 1 scruple (sc. or 3) 3 scruples = 1 dram (dr. or 3 ) 8 drams = 1 ounce (oz. or 5 ) 12 ounces i 5760 grains [ = 1 Po™d (Ib. or Ib.) „,„ f 1 square mile 640 acres ={ ^ ^ 1 square...
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Advanced Arithmetic

John William McClymonds, David Rhys Jones - Arithmetic - 1910 - 336 pages
...and grain are the same as in troy weight, but the ounce is subdivided differently. 20 grains (gr. ) = 1 scruple . . . sc. or 3 3 scruples = 1 dram . . . dr. or 3 8 drams = 1 ounce . . . oz. or 5 1 2 ounces = 1 pound . . . Ib. or ft 397. Apothecaries' Liquid Measures. 60 drops (gtt.) or minims...
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The Gilbert Arithmetics, Book 3

Charles H. Gleason, Charles Benajah Gilbert - Arithmetic - 1910 - 288 pages
...pound are the same as those in Troy weight, but the ounce is divided differently. 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 . . . Ib. or ft. (11) APOTHECARIES' LIQUID MEASURES 60 drops (gtt.) or minims...
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Advanced Arithmetic

John William McClymonds, David Rhys Jones - Arithmetic - 1910 - 332 pages
...and grain are the same as in troy weight, but the ounce is subdivided differently. 20 grains (gr.) = 1 scruple . . . sc. or 3 3 scruples = 1 dram . . . dr. or 3 8 drains = 1 ounce . . . oz. or J 12 ounces = 1 pound . . . Ib. or ft 397. Apothecaries' Liquid Measures....
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The Gilbert Arithmetics, Book 2, Parts 1-2

Charles H. Gleason - Arithmetic - 1910 - 536 pages
...in Troy weight, but the ounce is divided differently. 20 grains (gr.) = 1 scruple . . . so. or Э. 3 scruples = 1 dram .... dr. or 3. 8 drams = 1 ounce . . . oz. or 3. 12 ounces = 1 pound . . . Ib. or ft. СП) APOTHECARIES' LIQUID MEASURES 60 drops (gtt.) or minims...
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