Problems in woodwork in combination with other materials for elementary manual training (1917)
Worst, Edward F. (Edward Francis), 1866-1949 · Milwaukee, Wis., The Bruce publishing company · leaf 176
Fig. 186—Box Frame … Fig. 187—Springs Tied and in Place the side of the box. Repeat this operation until youhave six strands of cord tied over the springs assho\\ii in Fig. 187. two ends on each side and one ineach corner. \Mien you have this completed pullthe ropes tight and tack the ends to the upper edgesof the box.…
