Training in wood-work, designed for use in manual training and technical school; consisting of three parts: carpentry, wood-turning and pattern work (1902)
Tate, James M. (James Murray), b. 1852 · Minneapolis, Minn., School Education Co · leaf 97
s in Fig. 160 represent the size of the core moulded i Fig. 162. in this core box and placed in the mould after the pattern hasbeen removed. The portion outside of dotted lines repre-sents the space left for the metal, which, forming around thecore, becomes a hollow cylinder. 94 MANUAL TRAINING…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
