. An introduction to practical pharmacy: designed as a text-book for the student, and as a guide to the physician and pharmaceutist. With many formulas and prescriptions . the lower or receiving vessel into the top of thecylinder. The Queensware Displacer.—This is the same as the above, ; the material is considered morecleanly; it is not liable to corrosion withacid liquids, nor to impart a black colorand metallic taste to solutions of the vege-table astringents. The Common Funnel.—This may be em-ployed for displacement, by inserting aplug of carded cotton, or of fine spongeinto the ne
. An introduction to practical pharmacy: designed as a text-book for the student, and as a guide to the physician and pharmaceutist. With many formulas and prescriptions . the lower or receiving vessel into the top of thecylinder. The Queensware Displacer.—This is the same as the above, ; the material is considered morecleanly; it is not liable to corrosion withacid liquids, nor to impart a black colorand metallic taste to solutions of the vege-table astringents. The Common Funnel.—This may be em-ployed for displacement, by inserting aplug of carded cotton, or of fine spongeinto the neck, and by using a piece of per-forated paper, or some thin cotton cloth,or other fabric for the upper diaphragm. Lamp-Chimney Displacers.—No form ofapparatus is so cheap and convenient forsmall operations as ordinary lamp-chim-neys, either plain (Fig. 108) or with bulb (Fig. 109). The smallerend of the chimney is filled with a cork cut so as to allow the freepassage of the liquid, at the same time that it affords a mechanicalsupport to the mass, or covered with a piece of gauze, book-muslin,or other coarse fabric, tied securely by a string round the chimney. Porcelain displacer, withtwo diaphragms. 100 PERCOLATION, OR THE DISPLACEMENT PROCESS. near its lower edge, and a little carded cotton being placed on it>the under diaphragm is rendered complete; the upper one may bemade of paper, when necessary, as before described, or, where thediameter is small, may be omitted. Fig. 108. Fig. 109.
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectpharmacy, bookyear185
