Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 238
ld above them with its north poledownward, the needles disposed themselves symmetrically inoutlines of great interest, which varied, of course, with the num-ber of needles afloat at any one time. Three needles formed anquilateral triangle, four made up a square, five disposed them-elves either as a… … Mayers floating magnets. One of the remarkable attributes of a crystal is its ability to grow and act as a unit, as if it had a life of its own, despite the evident variety and great number of its parts. Take a crystal of alum, break off a corner and e *ys a J , Foreshadows the then immerse thp…
Inventions · Inventors
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