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 64
block for the hub,saw grooves obliquely into each edge at least ^M in depth and justwide enough for the wings to fit. Fig. 6 is a drawing of the wingblade, and Fig. 7 is a drawing of the hub. Care must be taken thatthe wings are not forced in, else the hub will split. If six or eight wingsare… … ^^/v^, FIG. 3L STOCK 2. WINGS VS \ i/j, X4-J4 I SHAFT 34. * % A 5 i vane sv-c k v& k a I UPRIGHT •3/80iAI>l- * 4- FIG. 3
Manual training · Toys · Games
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