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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,. "
Mental Arithmetic, Or, First Lessons in Numbers for Children - Σελίδα 93
των James Bates Thomson - 1846 - 120 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Selected Words for Spelling

Clarence Edmund Meleney - 1894 - 180 σελίδες
...pound, ... 16. APOTHECARIES' AVEIGHT. Used in weighing drugs. 30 grains, gr., make . . 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 UNITS OF TIME. 60 seconds, sec. make . 1 minute in. 60 minutes .... 1 hour lir. 24 hours...

A Commercial Arithmetic: Designed for Academies, High Schools, Counting ...

James Bates Thomson - 1894 - 342 σελίδες
...Weight is used by apothecaries in mixing Medicines. TABLE. 20 grains lgr.) — 1 scruple, . . «c., or 3. 3 scruples = 1 dram, . . . dr., or 3. 8 drams...1 ounce, . .. . oz. , or § . 12 ounces = 1 pound, . . . Ib., or J,. NOTES. — 1. The pound, ounce, and grain are the same as Troy weight. The only difference...

Arithmetic by Grades for Inductive Teaching, Drilling and Testing, Βιβλίο 7

John Tilden Prince - 1894 - 120 σελίδες
...penny weight (pwt.) 20 pennyweights=l ounce (oz.) 12 ounces —1 pound (Ib.) 1 pound —"i7(iO grains. 3 scruples = 1 dram (dr. or 3) 8 drams = 1 ounce (oz. or § ) 12 ounces = 1 pound (Ib. or Jfe) 1 pound = 5760 grains. Apothecaries Weight. 20 grains (gr.) = 1 scruple (sc. or 9) Measures...

For sixth, seventh, and eighth grades

George Edward Atwood - 1894 - 396 σελίδες
...Weight is used by druggists in weighing medicines not liquid. 20 grains =1 scruple . . . sc. or J) 3 scruples . . . . = 1 dram .... dr. or 3 8 drams =1 ounce . . . . oz. or g 12 ounces . . . . = 1 pound . . . Ib. 154. One pound Avoirdupois = 7000 grains. 155. One pound Troy...

Grammar School Arithmetic for Inductive Teaching, Drilling and Testing ...

John Tilden Prince - 1895 - 358 σελίδες
...ounces =1 pound (Ib.) 1 pound =5760 grains. 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 Jfo) 1 pound = 5700 grains. Measures 60 seconds (sec.) = 60 minutes = 24 hours = 7 days = 30...

The Essentials of Arithmetic Oral and Written: For upper grades

Gordon Augustus Southworth - 1895 - 334 σελίδες
...feet 1= 1"m'(A') Apothecaries'1 Weight. „... f 1 square mile 640 acres = < 20 grains = 1 scruple (sc. or 3) 3 scruples = 1 dram (dr. or 3 ) 8 drams = 1 ounce (oz. or 5 ) 12 ounces i , ,, cr,an • t = 1 pound (Ib. or ft.) 5760 grams J v ' (. (sq. in.) 1 mile square...

Standard Arithmetic: Embracing a Complete Course for Schools and Academies

William James Milne - 1895 - 476 σελίδες
...apothecaries and physicians in weighing medicines for prescriptions. TABLE. 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 lb. oz. dr. BC. gr. 1 = 12 = 96 = 288 = 5760 Scale.— 12, 8,...

A Commercial Arithmetic

James Bates Thomson - 1895 - 368 σελίδες
...Apothecaries Weight is used by apothecaries in mixing medicines. TABLE. 20 grains (gr.) = 1 scruple, . . se., or 3. 3 scruples = 1 dram, . . . dr., or 3 . 8 drams = 1 ounce, . . . oz., or J . 12 ounces = 1 pound, . . . Ib., or ft>. NOTES. — 1. Tbe pound, ounce, and grain are the same...

The Essentials of Arithmetic, Oral and Written: For upper grades, Βιβλίο 2

Gordon Augustus Southworth - 1895 - 368 σελίδες
...square rods T Apothecaries' Weight. 43,560 square feet / = acre (A') 20 grains = 1 scruple (sc. or Э) 3 scruples = 1 dram (dr. or 3 ) 8 drams = 1 ounce (oz. or ^ ") 640 acres = f 1 square mile 1 (sq. m.) 1 mile square = 1 section \ j / 12 ounces i 36 square miles...

Higher Arithmetic

Wooster Woodruff Beman, David Eugene Smith - 1897 - 234 σελίδες
...100 pfennigs = 1 mark (M.) = $0.238. APOTHECABIES' 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.). 5760 grains = 1 pound. The table of apothecaries' weight is used in selling drugs at retail....




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