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 108
SWISS DINKEY BIRDS 79 SWISS DINKEY BIRDS EH FRONTVIELW„ … AXA ing part of the stand piece. This produces a somewhat erratic move-ment to the head and tail pieces. By slightly changing the meas-urements of one or more parts, different effects can be produced.Experimentation is necessary to work out satisfactory movements. 80 MANUAL TRAINING —PLAY PROBLEMS…
Manual training · Toys · Games
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