Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 99
which is fastened to a special face plate in such … a way that it is concentric willi the spindle. The three jaws AAAcan be moved in and out toward the center by turning the screw-beads 15BB. These chucks arc univeisalor independent, hi theuniversal chuck all of the jaws are operated siiuTdtaneousIy.That is, when one of the screw heads B is turned,…
Mechanical engineering
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