Amateur mechanics ... a book for old and young who like to make things .. (1907)
Popular mechanics magazine, Chicago. [from old catalog] · Chicago, Popular mechanics · leaf 46
revolving, firstin one direction and then in the oppo-site direction, in such a way that anygiven point on the pa,2e will describe acircle of about \ in. diameter. Fig. 1then appears to rotate in the samedirection as the revolution: Fig. 2 ap-pears to revolve in the opposite direc-tion, and Fig. 3… … Move Rapidly with a Rinsing Motion POPULAR MECHANICS
Handicraft · Amusements
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