. An introduction to practical pharmacy [microform] : designed as a textbook for the student and as a guide to the physician and pharmaceutist : with many formulas and prescriptions . Gas burner with mercury cup and cap. Ground gas burner and cap. manent pipe. Fig. 130 is the mercury cup arrangement; a smallcup is screwed on to the burner at its base, into which is intro-duced a few ounces of mercury, and into this the cap of the con-ducting tube dips so as to form an air-tight joint, which is veryreadily shipped and unshipped; in this figure the cap is repre-sented as having a flange covering
. An introduction to practical pharmacy [microform] : designed as a textbook for the student and as a guide to the physician and pharmaceutist : with many formulas and prescriptions . Gas burner with mercury cup and cap. Ground gas burner and cap. manent pipe. Fig. 130 is the mercury cup arrangement; a smallcup is screwed on to the burner at its base, into which is intro-duced a few ounces of mercury, and into this the cap of the con-ducting tube dips so as to form an air-tight joint, which is veryreadily shipped and unshipped; in this figure the cap is repre-sented as having a flange covering the mercury cup, which, whileit is in its place, protects the mercury from evaporation or fromspilling out. When unshipped, however, the bath of mercury isunprotected, and becomes wasted, frequently requiring to berenewed, and leading to inconvenience. Fig. 131 is a groundburner and cap, such as is shown also in Fig. 129. The burnerand cap are fitted and ground to each other, so as to make a directair-tight connection when adjusted, and yet are removable atpleasure. The screws by which the burner is attached to the pipe,and the cap to the flexible tube above, and also the int
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectpharmacy, bookyear185
