. A treatise on pharmacy for students and pharmacists. ter and 1 fluid-ounce of simple syrup; dissolve by heat and strain. The gelatin-coater of W. C. Franciscus (Fig 222), resembles theother two, except in the provision for drying the coating on the pills,which must be done by rapidly twirling the needle-bars centred on apivot, w7ith the hand, until the pills are sufficiently dry to be re-moved. The different steps of the operation are shown in the illus-stration; A represents a water-bath, and C the solution-holder rest-ing in the same; B B shows the position of the needle-bar in theact of i
. A treatise on pharmacy for students and pharmacists. ter and 1 fluid-ounce of simple syrup; dissolve by heat and strain. The gelatin-coater of W. C. Franciscus (Fig 222), resembles theother two, except in the provision for drying the coating on the pills,which must be done by rapidly twirling the needle-bars centred on apivot, w7ith the hand, until the pills are sufficiently dry to be re-moved. The different steps of the operation are shown in the illus-stration; A represents a water-bath, and C the solution-holder rest-ing in the same; B B shows the position of the needle-bar in theact of impaling the pills which have been placed in the depressionsin the tray, the balls on the ends of the bar insuring accuracy incentring the pills with the needle-points, by slipping over the rodsB and B. At E is shown the manner of revolving the pills, afterthey have been dipped, by means of the pivotal handle, D. Whensufficiently dry, the pills are stripped from the needles by means ofthe comb attached to the tray, G. 324 PRACTICAL PHARMACY. Fig. Franciscus gelatin-coater. Maynards gelatin-coater (Fig. 223) is not provided with a groovedtray from which the pills are taken up, but, instead, the pills areplaced in depressions in a metallic plate, E, provided also with two Fig. 223.
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Keywords: ., bookcentury1800, bookdecade189, booksubjectpharmacy, bookyear1895
