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 159
Fig. 224. Fig. 223.core box. This is necessary in order to allow for tlie removal ofthe core from the boxes. The internal shape of the boxes aredifficult to illustrate on paper, but if the drawings given in Figs.222 and 223 are carefully studied in connection with the sectionalviews of the valve…
Mechanical engineering -- Dictionaries
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