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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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Progressive Arithmetic, Complete, Βιβλία 2-3

William James Milne - 1907 - 512 σελίδες
...as 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 5 12 ounces = 1 pound . . . Ib. or Ib Apothecaries' Liquid Measures 60 drops (gtt.) or minims (ny,)...

Intermediate Arithmetic

Bruce Mervellon Watson, Charles Edward White - 1907 - 276 σελίδες
...grains at $1 a pennyweight ? 224. TABLE OF APOTHECARIES' WEIGHT 20 grains (gr.) = 1 scruple (sc. or Э). 3 scruples = 1 dram (dr. or 3). 8 drams = 1 ounce (oz. or 5). Druggists also use a term fluid ounce, which is not a measure of weight, but of capacity, and is...

School Arithmetic for Grammar Grades

Samuel Hamilton - 1907 - 371 σελίδες
...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 § 12 ounces = 1 Ib. or Ib Counting 12 things = 1 dozen (doz.) 12 dozen = 1 gross (gro.) 12 gross =...

New Commercial Arithmetic

John Henry Moore - 1907 - 416 σελίδες
...physicians and druggists in compounding and prescribing medicines. TABLE 20 grains = 1 scruple (sc. or 3). 8 scruples = 1 dram (dr. or 3). 8 drams = 1 ounce (oz. or 5 )• 12 ounces = 1 pound (Ib. or Ib). !b. oz. dr. sc. gr. 1 = 12 = 96 = 288 = 5760. The pound, ounce,...

Grammar School Arithmetic

Bruce Mervellon Watson, Charles Edward White - 1908 - 415 σελίδες
...grain of wheat or rice. 172. TABLE OF APOTHECARIES' WEIGHT 20 grains (gr.) = 1 scruple (so. or 3). 3 scruples = 1 dram (dr. or 3). 8 drams = 1 ounce (oz. or S ). This table is used by druggists and physicians in compounding medicines; but medicines are bought...

Complete Arithmetic

Samuel Hamilton - 1909 - 463 σελίδες
...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...

The Appleton Arithmetics, Βιβλίο 3

Jacob William Albert Young, Lambert Lincoln Jackson - 1909
...etc.) 24| 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 (lb.) 0,760 grains = 1 pound The table of apothecaries' weight is used in...

An Exercise Book in Arithmetic: Oral and Written

Gordon Augustus Southworth, John Charles Stone - 1910 - 143 σελίδες
...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...

The Gilbert Arithmetics, Βιβλίο 2,Μέρη 1-2

Charles H. Gleason - 1910
...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...

Advanced Arithmetic

John William McClymonds, David Rhys Jones - 1910 - 324 σελίδες
...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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