Wheels and wheeling; an indispensable handbook for cyclists, with over two hundred illustrations (1892)
Porter, Luther Henry · Boston, Wheelman Company · leaf 147
lustrated; but the No. 9 wassomething of quite a different sort; having a uniquecombination of lever and rotary action. It was afront steerer provided with two lugs on the seat rail,and to these lugs is attached by knuckle-joints (hingedhorizontally) a small cross bar, having in its center along… … Quadrant No. 9 Tandem. thumbscrew to a roller bearing on pedal pins—thusno second chains are required. These four-wheeled tandems differed from one an-other about as much as they did from their three-wheeled relatives; but they constituted, to some ex-tent, a class of their own, but one which never…
Cycling · Bicycles
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