Wheels and wheeling; an indispensable handbook for cyclists, with over two hundred illustrations (1892)
Porter, Luther Henry · Boston, Wheelman Company · leaf 187
e of the ma- 166 WHEELS AND WHEELING. chine serves to carry the fulcra of these levers, and thedriving mechanism is an adaptation of the principlewhich was introduced some years since on the RobRoy tricycle, though its application in a neat, light,and compact form to the bicycle has been done inan… … Mona Bicycle. toothed wheel, which works eccentrically with the axleproper of the driving wheel, which has a small spurwheel fastened to the outer hub, this being snugly heldwithin the before-mentioned internally-toothed wheel-,and the wheel thus geared up by the motions of thelevers. Another…
Cycling · Bicycles
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