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Βιβλία Βιβλία 81 - 90 από 165 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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Bradbury's Eaton's Practical Arithmetic ...

William Frothingham Bradbury - 1882 - 374 σελίδες
...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 pennyweights — 1 ounce (oz.)....

A Mental Arithmetic

George Payn Quackenbos - 1879 - 168 σελίδες
...apothecaries, in mixing medicines. TABLE OF APOTHECARIES' WEIGHT. 20 grains (gr.) make 1 scruple, . sc. or Э. 3 scruples, 1 dram,. . dr. or 3. 8 drams, 1 ounce, . oz. or f . 12 ounces, 1 pound, . Ib. or й>. 1. How many scruples in 5 oz. ? In 1 Ib. ? 2. How many drams...

Standard Arithmetic: Embracing a Complete Course for Schools and Academies

William James Milne - 1892 - 428 σελίδες
...and physicians in weighing medicines for prescriptions. TABLE. 20 Grains (gr.) = 1 Scruple . . . so., or 3 3 Scruples = 1 Dram .... dr., or 3 8 Drams = 1 Ounce . . . oz. , or % 12 Ounces = 1 Pound . . . lb., or lb lb. oz. dr. sc. gr. 1 = 12 = 9(i = 288 = 5700 Scale. — 12, 8, 3, 20. 1. In writing...

Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - 1892 - 416 σελίδες
...prescriptions, but medicines are bought and sold by avoirdupois weight. 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 Ib Apothecaries' Liquid Measure is used in compounding and measuring...

Numbers, and how to Use Them: By the Natural Method : a Complete, Practical ...

John F. Brown - 1892 - 153 σελίδες
...24 90 72 18 gr. Ans. 7 Ibs. lloz. 13 dwt. 18 gr. 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.). The pound, ounce, and grain are the same as those of Troy weight....

Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - 1892 - 416 σελίδες
...medicines are bought and sold by avoirdupois weight. TABLE. 20 Grains (gr.) — 1 Scruple . . . so., or 3 3 Scruples = 1 Dram . . . . dr., or 3 8 Drams = 1 Ounce . . . oz., or J 12 Ounces = 1 Pound . . . Ib., or ft Apothecaries' Liquid Measure is used in compounding and measuring...

Elements of Arithmetic: For Primary and Intermediate Classes in Public and ...

William James Milne - 1893 - 240 σελίδες
...prescriptions Apothecaries' Weight is used by apothecaries and physicians. TABLE. 20 grains (gr.)= 1 scruple (sc., or 3). 3 scruples = 1 dram (dr., or 3). 8 drams = 1 ounce (oz., or J). 12 ounces = 1 pound (lb., cr It)). r EXERCISES. 1. How many gr. are there in 3 sc. ? In4sc. ? In...

Selected Words for Spelling

Clarence Edmund Meleney - 1894
...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
...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
...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...




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