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 86
used. These jigs are made so that they tit over the pieceto be drilled, and, when clamped in j)Osition, indicate the locationof the holes by means of hardened steel bushings set in tlietemplet. The making of templets and jigs is one of the finest branchesof the machinists work, and is generally… … HACHINE SHOP WORK. PART 11. THE LATHE. The latlie is one of the most ancient of tools, and is a develop-ment of the potters wheel. The spindle is horizontal and thework is revolved while the cutting tool is stationary. lu ita
Mechanical engineering
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