Shop practice for home mechanics, use of tools, shop processes, construction of small machines. Contains a chapter also on theoretical mechanics and on miscellaneous information relative to shop work (1920)
Yates, Raymond F. (Raymond Francis), 1895- · New York, N. W. Henley Pub. Co. · leaf 238
Fig. 268—Example of a cored pattern, showing the core prints at the ends end are knoAvn as core prints, and mth such a pattern itis necessary to use a core box. This core box is noth-ing more or less than two blocks of wood, which, whenplaced together, will have a hole in their center a… … Fig. 269—A core box for use with the pattern shown in Fig. 268 One half of the core box is provided with projectingbrads and the opposite half has small holes drilled in itto receive these brads, and the two halves are held to-gether in this way. When placed together, the foundry- 238 Shop Practice…
Machine-shop practice · Handicraft
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
