Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 42
Rubber cylinder. Flattenedby compression. Lengthenedby tension. in our little rubber joist, which illustrates the familiar woodensupport beneath the floors of our houses. This form in givingrise to the girder has been changed for the better. Let us see how.As the rubber joist sags between its ends,…
Inventions · Inventors
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