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 238
groove when the core hasrun to the full length of the plate. The advantage of the machine is that with it an apprentice boycan produce a true, smooth, perfectly vented core, in very much lesstime than could possibly be done by hand ramming. SETTING CORES The following examples show typical ways of… … Fig. 70. Bolt-Hole Core Fig. Tl. Calipers. should just touch the cope surface of the mold. The level may betested by a straight stick or by sighting across the joint. If the coreis too long, one end may be filed off a little; if too short, a little sandmay be filled into the bottom of the print.…
Mechanical engineering -- Dictionaries
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