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 95
Fig. 138. 75 … PATTERN MAKING, PART IT. SIMPLE PATTERNS. The simplest patterns are those whieli are made in one piece,and which jequire no coring, altlioiigh th(> castings themselves maybe hollow. The first thing which the pattern maker should decide in com-mencing a pattern, is the way in which it is to be…
Mechanical engineering -- Dictionaries
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