"Cycloid" Quotes from Famous Books
... circle, which has played an important part at various epochs in the intellectual history of our race. A spot on the tire of a wheel running on a straight, level road, will describe in the air a series of peculiar arches, called the cycloid. The law of its formation is simple; the law of its curvature is also simple. The path in which the spot moves curves exactly in proportion to its nearness to the lowest point of the wheel. By the simplicity of ... — Atlantic Monthly, Vol. 5, No. 30, April, 1860 • Various
... CONSTRUCTION OF TOOTHED GEAR.—Involute, cycloid, and epicyloid. Involute. Cycloid External epicycloid, described by a circle rolling about a fixed circle inside of it. Internal epicycloid. Delineation of a lack and pinion in gear. Gearing of a worm with a worm wheel. Cylindrical ... — Scientific American, Vol.22, No. 1, January 1, 1870 • Various |