What to do and how to do it; the American boys handy book (1920)
Beard, Daniel Carter, 1850-1941 · New York, C. Scribner's sons · leaf 392
irligig. within the other, until it resembles an archery butt or target.The disk is tacked or glued securely to a stick or handle(Fig. 230) so that it is impossible for it to really revolve, yet ifyou grasp the toy by the handle and give your arm a motionsimilar to that of the shaft of an engine,… … 364 Winter, A picture of a wagon, with wheels made like the disks of thoparadoxical whirligig, may be made, and the wheels will have allthe appearance of revolving when a wabbling motion is impartedto the picture. There are many curious experiments that canbe tried in this line—spirals may be made…
Amusements · Sports
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