. Inductive elementary physical science with inexpensive apparatus, and without laboratory equipment . taken from the pressure-gage and usedas packing for both. Arrange as illustrated, with your 44 INDUCTIVE PHYSICS. finest jet-tube on the lower end of the rubber tube to sup-ply a small but constant stream ofwater to the Tantalus cup, and you will have anintermittent flow from thecup. Should the jet-tubebe too large to allow thedischarge from the cup tointermit, diminish the water-supply by pinching the tubeat the right time. Infeebnges. 1. Howmany siphons are there inthis experiment ? 2. Inwh
. Inductive elementary physical science with inexpensive apparatus, and without laboratory equipment . taken from the pressure-gage and usedas packing for both. Arrange as illustrated, with your 44 INDUCTIVE PHYSICS. finest jet-tube on the lower end of the rubber tube to sup-ply a small but constant stream ofwater to the Tantalus cup, and you will have anintermittent flow from thecup. Should the jet-tubebe too large to allow thedischarge from the cup tointermit, diminish the water-supply by pinching the tubeat the right time. Infeebnges. 1. Howmany siphons are there inthis experiment ? 2. Inwhat essential respect dothey agree, and in what dothey differ? • An intermittent springis one that does not flowall the time, but has alter-nate periods of flow andrest. The periods of restcome generally after a longdry spell, and sometimesnot till the dry spell hasended and it is againrainy weather. Fig. 10 il-lustrates the conditions ofa hill from which there issued such a spring, until arailway was cut through it and the spring was the hill was a cavern seamed with numerous small. £xp. 62. AIR EXPERIMENTS. cracks through which ran the water that filled flowed out through a single arched opening. 45The
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectphysics, bookyear1897
