Woodwork for the grades for use in manual training classes (1912)
Selden, Frank Henry · Valley City, N.D., The Maudslay press · leaf 156
WOODWORK FOR THE GRADES 153 … Fig. 211 — Octagonal End enter the holes the same distance. Notice that the round part is of the same size for about 1 inch back from the end. This is very important if you wish to make a strong joint. If the whittled portion is tapered the entire length it will have so small a bearing in the hole…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
