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 68
te and the pattern.These wooden face-plates are constructed in a variety of ways bydifferent pattern makers; but for small patterns it is necessary to 52 PATTERN MAKING 45 usG only a plain board § inch to 1^ inches in thickness and of aslightly greater diameter than the required pattern. This board… … Fig. 88. patterns of a medium size, say 20 inches to 30 inches in diameter,the board should be stiffened by means of a wide wooden bar firmlyscrewed across the back, as in Fig. 90. When chucks are needed for very large or hea\y work,the chuck, in order to preventvibration, must be strong…
Mechanical engineering -- Dictionaries
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
