Educational toys consisting chiefly of coping-saw problems for children in the school and the home (1920)
Petersen, Louis Christian, b. 1878 · Peoria, Ill. : The Manual arts press · leaf 79
ght, and watch it fall from top to bottom in a see-saw motion. If it fails to travel smoothly, see where the rub is and remove the obstacle. Fasten the two pairs of cross pieces to each end of the upright so that it will stand vertically on either end. Give it a thin coat of paint. Color the boys…
Woodwork · Toys
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
