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 143
acli half of thepattern. This, however, will be necessary only when patterns arelarge and heavy, or when unusual strength is required. The core box for this pattern, as will be seen in Fig. 189, is theusual half box and is madeby working out the box inone piece, long enough tomake the two parts a… … Fig. ISO. the two triangular blocks d and d are glued in the angles to addstrength to the completed box. In case the pattern is for a verysmall pipe, 1\ inches or imder, the part l may be abutted againstthe side of «, as shown by the dotted line, and the side of a 120 PATTERN MAKING 109 at ( cut…
Mechanical engineering -- Dictionaries
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