Manual training--play problems; constructive work for boys and girls based on the play interest (1917)
Marten, William Samuel, 1877- · New York, The Macmillan company · leaf 111
graph can beworked to any size desired. It ishighly important that the project-ing nails be placed evenly. As with the seesaw, a little wax will avoidfriction. The rungs and sides of the ladder are usually drawn on a flatpiece of wood, but cross-lap joints can be made if a real ladder isdesired.… … FALLING SEESAW AND LADDER 83 FALLING SEESAWaud LADDER FIG. I STOCK, U\DDO\ Z^X&Vj*..,TIGURE. V X#.X*fc
Manual training · Toys · Games
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