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 131
MC X !4c X 6 I SIDES OFPLANE! %X K6X J8£ EMD5 0F PLANE. %Xkc, £ 6 I COVER FOR PLANE 7X/6I COVER FOR;PLANE 7X2.I .STOCK I SHAFT 3//t x 3^X 9 » I FRUDDER Z X ZYi I PLANE 3X6 I PLANE 2.HX 4- I RUBBERBAHC* J2L the side view of Fig. 2. To put the glider in motion hold the shaftin the fingers and throw… … ANIMALS WITH MOVABLE PARTS. Figs. 1 and 3 show pos-sibilities of cam movements made with a brad nailed to the axle.Fig. 2 shows a balancing or pendulum effect. In Fig. 1, the headpivots on the far end with the cam action in the middle part. In thephotograph, the second figure on the top row shows…
Manual training · Toys · Games
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