A text-book of physics : with sections on the application of physics to physiology and medicine (1902)
Lehfeldt, Robert Alfred, 1868-1927 · London : E. Arnold · leaf 55
o that itis only necessary to turna tap and leave the ex-haustion to proceed auto-matically : such have beendesigned by Kaps, and byKahlbaum. Another mercury-pump,acting on an entirely diffe-rent principle, is that ofSprengel (Fig. 21). In thisthe mercury falls in dropsdown the tube A, and… … Fig. 20. Fig. 21. HYDROSTATICS 45 A similar pump can be worked with water (Fig. 22). Heredrops falling from the capillary tube b drag down with them airthat flows into the chamber a through the side tube 0. The tubed that leads away the water should be long; if it be only a metreor two, the pump…
Physics
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