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Βιβλία Βιβλία 131 - 140 από 173 για Weight is used by apothecaries and physicians in compounding dry medicines. TABLE.....
" 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,. "
Mental Arithmetic, Or, First Lessons in Numbers for Children - Σελίδα 93
των James Bates Thomson - 1846 - 120 σελίδες
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Essentials of Arithmetic, Oral and Written

John William McClymonds, David Rhys Jones - 1907 - 324 σελίδες
...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 12 ounces = 1 pound . . . Ib. or ft 397. Apothecaries' Liquid Measures. 60 drops (gtt.) or minims...

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...

Essentials of Arithmetic, Oral and Written

John William McClymonds, David Rhys Jones - 1907 - 324 σελίδες
...in troy weight, but the ounce is subdivided differently. 20 grains (gr.) = 1 scruple . . . sc. or Э 3 scruples = 1 dram . . . dr. or 3 8 drams = 1 ounce . . . oz. or 5 12 ounces = 1 pound . . . Ib. or ft» 397. Apothecaries' Liquid Measures. 60 drops (gtt.) or minims...

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
...weight of a grain of wheat or rice. 172. 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 % ). This table is used by druggists and physicians in compounding medicines; but medicines are bought...

Grammar School Arithmetic

Bruce Mervellon Watson, Charles Edward White - 1908 - 415 σελίδες
...weight of a 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 2

Jacob William Albert Young, Lambert Lincoln Jackson - 1909
...Apothecaries' Weight In preparing prescriptions druggists use apothecaries' weight. 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 (lb.). In the following pages all references to weight pertain to avoirdupois...

School Arithmetic for Grammar Grades

Samuel Hamilton - 1909 - 371 σελίδες
...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...

An Exercise Book in Arithmetic, Oral and Written: For Supplementary Or ...

Gordon Augustus Southworth, John Charles Stone - 1910 - 157 σελίδες
...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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