I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses (1904)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 258
cycloid. ^^ MACHINE ELEMENTS. 33 An epicyolohlal curve is the path described by any pointof a circle rolling, without slipping;, on the outside ofanother circle. A liypoeyeloid is the path described byany point of a circle rolling, without slipping, on the insideof another circle. Epicycloidal… … —c Fig. 25. The use of epicycloidal teeth is being gradually aban-doned, as they possess some practical defects, the chiefdefect being that the center-to-center distance of the twogears must be practically perfect in order to insure a uni-form velocity of the driven gear. 53. Involute Teeth.—In…
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