A shorter course in woodworking; a practical manual for home and school (1911)
Wheeler, Charles G. (Charles Gardner), 1855-1946 · New York, London, G.P. Putnam's sons · leaf 189
Fig- 475 therefore true, by setting the gauge at the thinnest point, gauging aline all around the edge, and planing to the line. Warping or windingof short pieces can be detected by laying a straight-edge diagonallyfrom corner to corner (Fig. 478).
Woodwork
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.