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 331
ect, has invented a xerv complete system of regu- 291 138 FOUNDRY WORK lating mixtures which he terms Mechanical Analysis. Fig. 141 Ashows a follow board arranged with patterns and yokes. The testbars are 1 inch square and 12 inches long. They are cast in greensand with their ends chilled against… … A B Fig. 141. (A) Keeps Test Bar Pattern.—(B) Measuring Shrinkage. important variable chemical element in cast iron, and that shrinkage incastings is directly proportionate to the silicon in the mixture. The first test is to replace each bar in the same yoke in which itwas cast and by means of a…
Mechanical engineering -- Dictionaries
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