Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 79
Curve of suspended chain. spurred by the new wants of the complex Roman civilization, heenlarged the scale of his buildings and greatly increased the in-tricacy of their plans. He used his new combinations with a bold-ness and fertility of invention that have been the wonder of theworld from that… … Dam across Bear Valley, San Bernardino County, California. ARCHES 45 everything that had gone before except the colossal buildings ofEgypt. Under a new stimulus, and with new means of effect,Roman building greatly outstripped that of the Greeks in extent,in variety, and magnificence. An arch built…
Inventions · Inventors
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