Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 161
rnes & Co., New York. Our excursions, since extended, arehere given as an example of the knitting value of a pervasive rulekept constantly in mind. Our planet in diverse ways illustrates the law, just stated, ofsurfaces and volumes. Forces of unresting activity quietly trans-form the hills and… … Cube built of 27 cubes of 9times more surface. GAIN IN MINUTENESS 123 break up large masses into fragments, or slowly wear away thesurfaces of rocks into dust. A lichen takes root on a graniteledge, and in a few years reduces the rock to powder. Rain al-ways contains a little acid, so that in time…
Inventions · Inventors
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