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 172
l size in the detaildrawings furnished to the pattern maker. Should the wheel be of small diameter the template may belaid out and cut on the end of a long strip of zinc, but it is betterto fasten the template to the end of a wooden bar, as shown inFig. 242 a narrow slot having been cut through the… … Fig. 242. it is customary to use a block of wood as a temporary hub, thecenter of which may be easily found from the periphery of theblocks by the dividers. A very slight, sharp notch is made in theexact center of the end of the tooth template, which must be radialto the hole in the opposite end of…
Mechanical engineering -- Dictionaries
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