Show the cine ot gyoeri Gye eri bunsen has explained the periodical eruption of in such a satisfactory manner that doubt Is no longer possible A cavern filled with water lies deep lu the earth under the geyser and the water in this cavern is heated by the earthy internal heat far above degrees since there Is a heavy hydrostatic pressure upon it arising from the weight of water in the passage or natural standa ipe that leads from the subterranean chamber to the surface of the earth after a time the temperature of the water below rises so that steam 1 given off in spite of the pressure and the column in the exit tube 1 gradually forced upward the release of pressure and the disturbance of the water then cause the contents of the subterranean chamber to flash into steam and expel the contents of the exit pipe violently these eruptions may also be provoked by throwing stones or clods of turf into the basin of the geyser the water in the cavern below is disturbed by this means |