Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 435
CffViCt^Q 0. Ctrrta^A ^ 7- … Cube-root extractor. The cone displaces water as the cube of its depth of immersion, in this case within i and 3 as limits. cone should be marked off into tenths, and the cylinder, betweenhigh and low-water, into thousandths. On a similar plan atapering wedge acts as a square-root extractor,…
Inventions · Inventors
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