The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 185
e be pressed upon bydissolve some of the rock, and that a portion of it rocks four or five miles in thickness. If you con-being thus dissolved, the remainder would more sider what a pressure is brought to bear uponeasily become liquid, just as the melting of a the lowest stone of a great tower by… … VESUVIUS IN ERUPTION. (BY PERMISSION, FROMTHE NEW ASTRONOMY, BY PROFESSOR S. P. LANGLEY.) MARVELS OF EARTH AND OCEAN 171 steam. If you were to go down into a mine, youwould find that the deeper you penetrated, thehotter it would be. In one great mine in Nevadathe air is so hot that it is necessary…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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