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 42
p to 10 inches in diameter. The core-box plane isconstructed uix)n the prin-ciple that if the sides of aright angle lie u^xtn the extremities of a diameter of Pig. So. a circle, the vertex of the right angle will lie ujxjn the circum-ference of the circle. This is illustrated in Fig. 36, from which…
Mechanical engineering -- Dictionaries
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