A dispensatory, or commentary on the pharmacopoeias of Great Britain (and the United States) comprising the natural history, description, chemistry, pharmacy, actions, uses, and doses of the articles of the materia medica / [Sir Robert Christison].
- Robert Christison
- Date:
- 1848
Licence: Public Domain Mark
Credit: A dispensatory, or commentary on the pharmacopoeias of Great Britain (and the United States) comprising the natural history, description, chemistry, pharmacy, actions, uses, and doses of the articles of the materia medica / [Sir Robert Christison]. Source: Wellcome Collection.
45/1054 (page 37)
![pois and Apothecaries’; the avoirdupois being employed in buying and selling, and the apothecaries’ in compounding medicines. The measures recognized by the U. S. Pharmacope@ia are the wine gallon and its divisions, thus agreeing with the Dublin, but not with the London or Edinburgh authorities. } The several denominations of weights and measures now in use may be conveniently represented thus. IMPERIAL WEIGHT. Ton Hundredweight. Stone. Pound. _ Ounce. Drachm. Grain. 1 = 20 ied 160 = 2240 1 = So 112 a 14 1 == 16 = 256 == 7000 1 = 16 = 437.5 1 27.34375 Troy WEIGHT. APOTHECARIES’ WEIGHT. Pound; Ounce. Pennyweight. Grain. Pound. Ounce. Drachm. Scruple. Grain. 1 as B2j Sees) 240°.°) et DIGG 1 => 12 = 96 = $288 = 5760 dye eee 20. tee’) ABO Lec NB i ees BRD ee 1. = 24 a : 60 Y's 20 ImpERIAL MEASURE. Quarter. Bushel. Peck. Gallon. Quart. Pint. Cubic inch. Imp. lbs. Troy grs. 1 =>. 8 = 32 = 64 = 256 = 512) => * 640 Ns t,t 4 ee See 82 es 2 OT | ee 80 bs or aes Ne ee heel 1O4|) sah # 20 “ 1 = 4 = 8] = 277274 = 10 =70,000 Lyi 2) = 693185 = 25° == 17,500 1.| <=. 34,65925 ==, -1.25=>. 8,750 APoTHECARIES’ MEASURES. 1. London and Edinburgh. Gallon. Pint. Flwidownce. Fluidrachm. — Minim, Imperial weight. 1 = 8 “= 160 = 1280 = 76800 = 70000 grs. == 10 lbs, pe ees 2S eee 160. /== | 9600 a 8750 I 1.25 1 aot 9) 8 foes 480 = 437.5 = 1 oz. dL pee 60 gost 04.7 1 = 0.91 Ww 2. United States and Dublin. Gal. Pound. Ounce. Drachm. Scruple. Grarn. Imperial weight. bos 8 e128 = 1024 == 3072 == 61440 | — 58317798 yrs. = 8.331 lbs. 2 16 = 128 = 384. = 7680); = 7289.725 sn (1.041 i 8s = ON 480°) = 455.6075 = 1,041 oz. | es 6 i 60.) == 56.95 “ 1 = 20/|= 18.948 nani a ee 0.95 46 When the Act for establishing the Imperial Weights and Measures was passed in 1826, the medical profession was exempted from its operation, on account of the supposed risk of error in dispensing active drugs by the new standard. Many competent authorities, however, have called in question the propriety of the exemption; in this part of the kingdom a general feeling prevails against it among medical practitioners as well as druggists; and a](https://iiif.wellcomecollection.org/image/b33284313_0045.jp2/full/800%2C/0/default.jpg)