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 394
he metals to a red heatand then cooling suddenly incold water. When copper orbrass is hammered to any ex-tent, it becomes hard andspringy and if it ha.s to befurther worked, it must be an-nealed or softened, otherwiseit is almost sure to split. Bending Cast Iron. It issometimes necessary… … Fig. l.iO.
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
