Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 153
is dipped into theliquid in the upper ves-sel and the longer legis closed either by thethumb, if the liquid beharmless, or by a stop-cock if harmful. Themouth is then applied tothe mouthpiece and theair sucked out of the twotubes. The liquid rushes over and fills both tubes. Thebulb is intended to… … Fig. 86.—Aspirating siphon. PRINCIPLES OF FLUID PRESSURE 135 the aspirator has no further influence. Great care mustbe taken not to get acid or other dangerous chemicals intothe mouth. Fountain Siphon (Fig. 87).—The siphon may be givena multitude of forms, and may be very ingeniously modi-fied. A…
Physics
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