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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,.
A Course of Mathematics: In Two Volumes. For the Use of Academies, as Well ... - Page 25
by Charles Hutton - 1818

## The Common School Arithmetic: Combining Analysis and Synthesis : Adapted to ...

James Stewart Eaton - Arithmetic - 1869 - 324 pages
...medicines are bought and sold by Avoirdupois Weight. TABLE. 20 Grains (gr.) make 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 XOTE 1. The ponnrt, ounce, and grain, in Apothecaries' and Troy...

## Robinson's Progressive Primary Arithmetic: For Primary Classes in Public and ...

Horatio Nelson Robinson - Arithmetic - 1870 - 88 pages
...are, the Pound, Ounce, Dram, Scruple, and Grain. 20 grains (gr.) make 1 scruple, marked sc. or Э • 3 scruples " 1 dram, " dr. or 3 . 8 drams " 1 ounce, " oz. or § . 12 ounces " 1 pound, " Ib. or ft>. Apothecaries' weight is used in mixing medicines. But medicines...

## Arithmetical Examples

Daniel W. Fish - Arithmetic - 1871 - 300 pages
...medicines ; but medicines are bought and sold in the quantity by Avoirdupois Weight. TABLE. 20 grains (gr.) make 1 scruple, sc. or 3. 3 scruples " 1 dram, dr. or 3 . 8 drams " 1 ounce, oz. or f . 12 ounces " 1 pound, Ib. or ft. UNIT EQUIVALENTS. ft I 3 3 &. \ - 12 = 96 = 288 = 5700 1 = 8 =...

## Robinson's Progressive Table Book: For Young Children

Horatio Nelson Robinson - Arithmetic - 1871 - 80 pages
...are, the Found, Ounce, Dram, Scruple, and Grain. 20 grains (gr.) make 1 scruple, marked sc. or Э • 3 scruples " 1 dram, " dr. or 3 . 8 drams " 1 ounce, " oz. or ^ . 12 ounces " 1 pound, " Ib. or g>. Apothecaries' weight is used in mixing medicines. But medicines...

## Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1871 - 384 pages
...medicines are bought and sold by avoirdupois weight. s* TABLE. 20 grains (gr.) make 1 scruple, so. or 9. 3 scruples " 1 dram, dr. or 3. 8 drams " 1 ounce,.. oz. or §. 12 ounces " 1 pound Ib. or ft. tJNIT EQUIVALENTS. ./ sc. gr. dr. 1 = 20 02 1 = 3 = 60 ]b. 1 = 8...

## The Analysis of Intellectual Arithmetic ...

Stoddard A. Felter - 1872 - 224 pages
...prescriptions, but drugs and medicines are bought and sold by avoirdupois weight. (a) TABLE. 20 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 Ib. PROBLEMS. 1. How many grains in 3 scruples ? In 4 se. ? 2....

## New Rudiments of Arithmetic: Combining Mental and Slate Exercises for ...

James Bates Thomson - Arithmetic - 1872 - 236 pages
...What are the denominations? Pounds, ounces, drams, scruples, and grains. TABLE. 20 grains (gr.) are 1 scruple, sc., or 3. 3 scruples " 1 dram, dr., or 3 . 8 drams " 1 ounce, oz., or 3 . 12 ounces " 1 pound, fb. NOTE. — The only difference between Troy and Apothecaries' weight, is...

## An elementary course of arithmetic. (With Key).

Richard Rickard - 1873 - 368 pages
...pound, are the same as the Troy grain, ounce, and pound. 20 grains (gr.) make 1 scruple (sc : or 9). 3 scruples „ 1 dram (dr : or 3). 8 drams „ 1 ounce (oz. or %). 1 2 ounces ., 1 pound (Ib. or lt,). Avoirdupois Weight. Avoirdupois Weight is used in weighing...