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Scientific American, Vol. 71, No. 18 (1894) (1894)

leaf 3

An illustration from Scientific American, Vol. 71, No. 18 (1894), 1894, leaf 3
s improved tool a screw tion of the vehicle ‘being free for the riders and the| these hooks engage notches in catch wheels on oppo- may be placed and driven without the necessity of the propelling mechanism. The improvement has been | site sides of the cart, the wheels also having pins on operator… … facilitate its working. nearly vertical steering shaft at the top of which is a KEEHN’S SCREWDRIVER. handwheel. a To Walk Properly. chains from a crank shaft journaled in the frame of sometimes extremely inconvenient, the conditions of Lippincott’s Magazine says: Stride out to your full the…

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