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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
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Lippincott's Elementary Arithmetic: Embracing the Science and Practical ...

James Morgan Rawlins - 1899 - 281 σελίδες
...used in weighing medicines required by prescriptions. Table. 20 Grains (gr.) = 1 Scruple (sc. or J)). 3 Scruples = 1 Dram (dr. or 3). 8 Drams = 1 ounce (oz. or £). 12 Ounces = 1 pound (Ib. or Й>). ORAL EXERCISES. 1. How many grains in 1 sc. ? 4 sc. ? 5 sc....

Lippincott's Mental Arithmetic: Embracing the Principles of Analysis and ...

James Morgan Rawlins - 1899 - 185 σελίδες
...used in weighing medicines required for prescriptions. Table. 20 Grains (gr ) = 1 Scruple (sc. or J))3 Scruples = 1 Dram (dr. or 3). 8 Drams = 1 Ounce (oz. or ^). 12 Ounces = 1 Pound (Ib. or П>). Exercises. 1. How many grains in 6Э ? 9Э ? 12э ? 2. How many...

Intermediate Arithmetic

William James Milne - 1900 - 219 σελίδες
...Apothecaries' Weight is used by apothecaries and physicians. TABLE. 20 grains (gr.)= 1 scruple (sc., or Э). 3 scruples = 1 dram (dr., or 3). 8 drams = 1 ounce (oz., or §)• 12 ounces = 1 pound (Ib., or ft). EXERCISES. \ 1. How many gr. are there in 3 sc. ? In 4 sc....

A Textbook on Sheet-metal Pattern Drafting, Τόμος 1

International Correspondence Schools - 1901
...means 5 drams 2 scruples. TABLE OF APOTHECARIES' WEIGHT. 20 grains (fr.) = 1 scruple . . sc, or ^. 3 scruples ....•.=1 dram . . . dr. or 3 . 8 drams =1 ounce . . oz. or ; . 12 ounces =1 pound . . Ib. or ft. gr. 3 3 I fc 20= 1 60 = S=1 480 = 24 = 8 = 1 5,760 = 288.= 96...

Heath's Complete Practical Arithmetic

Charles Edward White - 1901 - 451 σελίδες
...physicians in weighing medicines that are not liquid. TABLE. 20 grains (gr.) = 1 scruple, sc. or Э3 scruples = 1 dram, dr. or 3. 8 drams = 1 ounce, oz. or 3 12 ounces = 1 pound, ib. or Ib. 1 Ib. = 12 oz. = 96 dr. = 288 sc. = 5760 gr. Dry medicines are bought...

Modern Commercial Arithmetic

Frank Joseph Schneck - 1902 - 299 σελίδες
...Weight 134. Apothecaries' weight is used by druggists. 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 Ib. oz. dr. sc. gr. 1 = 12 = 96 = 288 = 5760 Scale.—12, 8, 3, 20....

The Arithmetic Help, for Pupils, Teachers, Business Men

Alvord D. Robinson - 1902 - 515 σελίδες
...buy by avoirdupois and sell by apothecaries' 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 pouud (Ib.), or (tt>) COMPARISON OF WEIGHTS. TABLE. 1 pound avoirdupois - 7000 grains...

Problems in Arithmetic: Oral and Written : for Supplementary Or Independent ...

Gordon Augustus Southworth - 1903 - 152 σελίδες
...Apothecaries' Weight. «, ?™ rr = 1 acre (A.) 43,560 square feet/ v ' 20 grains = 1 scruple (sc. or 3) 3 scruples = 1 dram (dr. or 3 ) 8 drams = 1 ounce (oz. or § ) 12 ounces i 5760 grains } = l Pound <lb' or ft') . f 1 square mile 640 acres = J. (. (sq. m.)...

New Commercial Arithmetic

John Henry Moore - 1904 - 392 σελίδες
...physicians and druggists in compounding and prescribing medicines. TABLE 20 grains = 1 scruple (so. or 3). 3 scruples = 1 dram (dr. or 3). 8 drams = 1 ounce (oz. or ^ ). 12 ounces = 1 pound (Ib. or Ib). lb. oz. dr. HO. gr. 1 = 12 = 96 = 288 = 5760. The pound, ounce,...

For advanced grades

Gordon Augustus Southworth, John Charles Stone - 1904
...pound / 480 " = 1 ounce i 5760 " =1 pound J y 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 } = l Pound <lb. or ^ Length 12 inches (in.) = 1 foot (ft. ) 3 feet = 1...




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