Beard, Patten · New York, Frederick A. Stokes company · leaf 178
DIAGRAM … BRIDGE AND R.R. TUNNEL Diagram Four. By cutting the ends or sides of boxes, tunnels or bridges may be made. Cut where the heavy black line indicates. A. The bridge is made by cutting a semicircle from the long sides of an inverted box. The box cover, turned upward, forms the bridge railing. At each…
Handicraft · Paper work · Games
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
