. A treatise on pharmacy for students and pharmacists. Becks pharmaceutical still. (Exterior view.) a (. (Interior view.) heavily-tinned copper, and the evaporating pan has a capacity of twogallons. The cold water, which is made to circulate freely betweenthe double walls of the cone-shaped head, is supplied near the base onone side, at a, and discharged at the top on the other side, at b. Thevapor is condensed on the under side of the still-head, the distillate 166 GENERAL PHARMACY. collecting in two gutters or troughs, one above the other, whence itis discharged through a common outlet, c, a
. A treatise on pharmacy for students and pharmacists. Becks pharmaceutical still. (Exterior view.) a (. (Interior view.) heavily-tinned copper, and the evaporating pan has a capacity of twogallons. The cold water, which is made to circulate freely betweenthe double walls of the cone-shaped head, is supplied near the base onone side, at a, and discharged at the top on the other side, at b. Thevapor is condensed on the under side of the still-head, the distillate 166 GENERAL PHARMACY. collecting in two gutters or troughs, one above the other, whence itis discharged through a common outlet, c, as shown in Fig. 165. Thewater-bath and condenser are securely clamped together by means ofsix bolts and nuts, the rim of the evaporating pan being interposedbetween two flat rubber rings, and an air-tight joint thus pro-duced. A small tube on the side of the water-bath is for theescape of steam, and if about one and a half gallons of water be putinto the bath when the still is started, it will not require refilling forabout twenty-four hours. If the quantity of liquid to be distilled isin excess of
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Keywords: ., bookcentury1800, bookdecade189, booksubjectpharmacy, bookyear1895
