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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 - 1882 - 368 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 3 12 Ounces " 1 Pound, Ib. or Ib. sc. gr. dr. 1 = 20 oz. 1 = 3 = 60 Ib. 1 = 8 = 24 = 480 1 = 12 = 96...

## The Packard Commercial Arithmetic

Silas Sadler Packard, Byron Horton - Business mathematics - 1882 - 324 pages
...weight, the division of the ounce being different. %1\"B it or THE UNIVERSITY OF TABLE. 20 Grains (jr.) = 1 Scruple . . sc. or 3. 3 Scruples = 1 Dram . . dr. or 3 . 8 Drains = I Ounce . . oz. or | . 12 Ounces = 1 Pound . . Ib. or ft . ft 1 3 3 gr. 1 = 12 = 96 = 288...

## A Graded Spelling-book, Being a Complete Course in Spelling for Primary and ...

Henry Francis Harrington - Spellers - 1880 - 208 pages
...Apothecaries' Weight is used in mixing or compounding medcinea. 20 grains (gr. ) = 1 scruple (sc. or 3). 8 scruples = 1 dram (dr. or 3). 8 drams = 1 ounce (oz. or ?). 12 ounces = 1 pound (Ib. or Hb). 5700 grains = 1 pound. Apothecaries' Fluid Measure. 60 minims...

## Fish's Arithmetic Number One: Oral and Written ...

Daniel W. Fish - Arithmetic - 1883 - 186 pages
...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,. Medicines are bought and sold in quantities by Avoirdupois...

## The Rudiments of Written Arithmetic: Containing Slate and Black-board ...

Horatio Nelson Robinson - Arithmetic - 1877 - 246 pages
...medicines are bought and sold by Avoirdupois Weight. TABLE. 20 Grains (gr.) make 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 a). UNIT EQUIVALENTS. sc. gr. dr. 1 = 20 oz. 1 = 3 = 6O Ib. 1 = 8...

## Complete Graded Arithmetic, Oral and Written: Upon the Inductive Method of ...

James Bates Thomson - Arithmetic - 1884 - 426 pages
...Weight is used by Apothecaries in mixing medicines. (Art. 898, Appendix.) TABLE 20 grains (gr.) = \ 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. NOTE. — The pound, ounce, and grain are the same as Troy...

## Complete Arithmetic: Elements and Commercial. New Series

Christian Brothers - Arithmetic - 1888 - 482 pages
...Weight only in the divisions of its ounce. TABLE. 20 grains (gr.) = 1 scruple ................... scr., or 3. 3 scruples = 1 dram ................... dr.,...3. 8 drams = 1 ounce ..................... oz., or § . 12 ounces = 1 pound ..................... Ib., or Ib. EXERCISES. 1. How many grains in a scruple...

## A Graded Spelling-book: Being a Complete Course in Spelling for Primary and ...

Henry Francis Harrington - Spellers - 1888 - 126 pages
...Apothecaries' Weight. Apothecaries' Weight is used in mixing or compounding medcmes. 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). 5760 grains = 1 pound. Apothecaries' Fluid Measure. CO minims...

Henry Francis Harrington - Spellers - 1888 - 214 pages
...Apothecaries' Weight is used in- mixing or compounding medcines. 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 ib). 5760 grains = 1 pound. Apothecaries' fluid Measure. 60 minims...

## The New Model Arithmetic

Henry Holmes Belfield - Arithmetic - 1891 - 360 pages
...compounding dry medicines ; but drugs 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 3 • ) 12 ounces = 1 pound, ( Z6. or ft).* UNIT EQUIVALENTS. Ib. oz. dr. so. gr. 1 = 12 = 96 = 288...