Woodwork for secondary schools; a text-book for high schools and colleges, prevocational and elementary industrial schools (1916)
Griffith, Ira Samuel, 1874-1924 · Peoria, Ill., Manual Arts Press · leaf 343
338 WOODWORK FOR SECONDARY SCHOOLS. … Fig. 538. One-Part Core-Box. detached from the pattern, which is done when the patternis beino^ rammed up in the drag. When the drag is in-verted and the follow board removed, the cope print isplaced. From this it willbe seen that the copeprint is rammed upwholly in the cope,hence its name, and…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.