Woodwork for the grades for use in manual training classes (1912)
Selden, Frank Henry · Valley City, N.D., The Maudslay press · leaf 169
WOODWORK FOR THE GRADES 167 it. The back may also be curved a little, for the bottom willstraighten it. If the strips on the front are a little curved or sprung side-wise, the convex side should be turned toward the inside or back. Using thin pieces which are not perfectly straight mayappear…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.