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 237
with the grain ofthe middle piece crossing that ofthe others to prevent warping.The outer edges of the boardshave the exact curve of the out-side of the pipe pattern, and at theends is tacked a half section ofthe core, shown at a a. Onesweep does for both boards.The curve is cut the exact… … Fig. Pipe Core,
Mechanical engineering -- Dictionaries
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
