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Βιβλία Βιβλία 1 - 10 από 71 για APOTHECARIES' WEIGHT. 20 grains (gr) . 1 scruple (3) 3 scruples 1 dram (3) 8 drams....
" APOTHECARIES' WEIGHT. 20 grains (gr) . 1 scruple (3) 3 scruples 1 dram (3) 8 drams 1 ounce ( 5 ) 12 ounces .... 1 pound (fit)) Apothecaries' weight is used in prescriptions. Drugs are bought and sold by avoirdupois weight. The grain, the ounce, and the... "
The Theoretical and Practical Systematic Arithmetic; Or, Arithmetic Arranged ... - Σελίδα 122
των David Henry Cruttenden - 1853 - 316 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Daboll's Schoolmaster's Assistant: Improved and Enlarged : Being a Plain and ...

Nathan Daboll - 1813 - 240 σελίδες
...and all metals except gold and silver. 4. Apothecaries Weight, ?0 grains (gr.) make 1 scruple, " 9 3 scruples, 1 dram, 3 8 drams, 1 ounce, 5 12 ounces, 1 pound, ' Apothecaries use this weight in compounding their meiicines. 5. Cloth Measure. 4 nails (na.) make...

The tutor's expeditious assistant; being a system of practical arithmetic ...

John White - 1826
...Note. — One pound avoirdupois is equal to 14 oz. 11 dwt. 15|grs. Troy. APOTHECARIES WEIGHT. Marked. 20 grains make 1 scruple . 3 3 scruples ... 1 dram . . 3 8 drams ••i 1 ounce 12 ounces ... 1 pound By this weight apothecaries mix their medicines, but they buy...

The elements of arithmetic

John Dozell - 1827 - 40 σελίδες
...100 110 make 1 0 ..30 .. 5 10 £ s. 1 10 20 2 10 3 10 40 4 10 50 APOTHECARIES WEIGHT. 20 Grains (gr ) make 1 Scruple 3 3 Scruples 1 Dram 3 8 Drams 1 Ounce 3 12 Ounces 1 Pound tb Apothecaries mix their Medicine by this Weight; but buy and sell by the Avoirdupois....

Daboll's Schoolmaster's Assistant: Improved and Enlarged ; Being a Plain ...

Nathan Daboll - 1828 - 240 σελίδες
...wares, and -all metals except gold and silver. 4. Apothecaries Weight. 20 grains (gr.) make 1 scruple, 9 3 scruples, 1 dram, , 3 8 drams, 1 ounce, 5 12 ounces, 1 pound, ft Apothecaries use this weight in compounding their medicines. 5. Cloth Measure. 4 nails (««.) make...

The Practical Arithmetic: In which the Principles of Operating by Numbers ...

1829 - 180 σελίδες
...pwt. 3. Reduce ISptet. to 4. Reduce7/6s.llos.il APOTHECARIES, WEIGHT.* 20 grains, (§r. or°rs.)make 1 scruple, (3) 3 scruples " 1 dram, ( 3 ) 8 drams " 1 ounce, ( 5 ) 12 ounces " 1 pound, (tt) LECTURE III. DESCENDING. , How do you reduce pounds to ounces 1 — ounces to drams ?— drains...

Arithmetic: In which the Principles of Operating by Numbers are Analytically ...

Daniel Adams - 1831 - 264 σελίδες
...are pounds, ounces, drams, scruples, and grains. TABLE. 20 grains, (grs.) make 1 scruple, marked Q. 3 scruples - - - 1 dram, - - - 3 . 8 drams - - - -...ounce, - - - 5 • 12 ounces - - - - 1 pound, - - - ft. 17. In 9lb. 8g. 13. 29.1 18. Reduce 55799grs. to 19 grs., how many grains. {pounds. AVOIRDUPOIS WEIGHT.-)By...

Arithmetic: Designed for Academies and Schools, Uniting the Inductive ...

Charles Davies - 1847 - 360 σελίδες
...the different divisions and subdivisions of the ounce. TABLE. 20 grains, gr. make 1 scruple, marked 3. 3 scruples - - 1 dram, ... 3. 8 drams - - - 1 ounce, - - 5. 12 ounces - - - 1 pound, - - to. ft 5 3 3 gr. 1 = 12 = 96 = 288=5760 1= 8= 24= 480 1— 3— 60 1= 20 EXAMPLES. 1. Reduce 91b...

First Lessons in Arithmetic: Combining the Oral Method with the Method of ...

Charles Davies - 1849 - 168 σελίδες
...in two quarters ? How many quarters in two hundred ? How many hundreds in two tons ? 20 grains, gr. make 1 scruple, 3. 3 scruples 1 dram, - - 3. 8 drams . . 1 ounce, - - 5. 12 ounces 1 pound, - - HJ. 16 drams, dr. make 1 ounce, - - 02. 16 ounces - - 1 pound, - - Ib. 25 pounds - - 1 quarter,...

... An Elementary Arithmetic ... Serving as an Introduction to the Higher ...

George Roberts Perkins - 1850 - 347 σελίδες
...Silver. J Half crown, | Shilling, •0 0 9 1 6 0 9 15ri 3 v Sixpence, 0 0 8 1 19T7T TABLE.. 20 grains gr. make 1 scruple, 3 3 scruples " 1 dram, 3 8 drams " 1 ounce, f 12 ounces " 1 pound, ft gr. 3 20= 1 3 60= 3= 1 f 480= 24= 8= 1 H> 5760=288=96=12=1 For what purpose...

A New System of Arithmetic on an Improved Plan

Charles Guilford Burnham - 1850
...Weight. This weight is used only by apothecaries and physicians in compounding medicines. 20 grains, grs. make 1 scruple, 3. 3 scruples " 1 dram, 3. 8 drams " 1 ounce J. 12 ounces " 1 pound, HJ. " The original standard of all our weights was a corn of wheat taken from...




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