term it. On being turned by means of the elements called kinematical element couples. Such kinematical chains thus yield as many mech- handle through the intermediary of a conical pair of These elements are of three kinds, namely, rigid anisms as they comprise links. By exchanging the wheels, the… … Fig, 9.—The Generation of an Isosceles Fig. 8.—The Generation of a Symmetrical ments, viz., vessels and parts and so dangerous, is one of Anti-Parallelogram. Crank Gear. of such, while mutual coup- the smallest measured mi- lings of thrust elements crobes, and if there should be (e.g., air with…
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