Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 240
that the actionof water wears away androunds off hard rocks, and thispower of disintegration issupplemented by its strength as a solvent, which is verygreat. Rain-water is purest in the country as it falls fromthe clouds. In smoky towns it becomes sooty and dirty. Itis owing to the solvent… … Experiment with hydrogen. 74 CHEMISTRY. water. This can be ascertained by noticing the incrusta-tions of the vesselj wherein the water is boiled. But waterrising from hard rocks, such as granite, can do little todisintegrate them at the moment, and therefore the waterrises purer. Springs from a…
Scientific recreations
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