Wheels and wheeling; an indispensable handbook for cyclists, with over two hundred illustrations (1892)
Porter, Luther Henry · Boston, Wheelman Company · leaf 225
rings and are extremely easy in verticalaction but very rigid laterally. In the spring frame pattern of the Warwick Perfec-tion Safety bicycle, springs made of steel and rubberwere placed at the ends of both front and rear forks,between fork ends and bearing boxes, and were alsoused at the ends of… … ANTI-VIBRATION DEVICES. 205 frame, and underneath the fork, is a spring made ofsteel and rubber. The steel takes the strain and therubber takes the vibration, a combination that leavesthe lateral rigidity of the wheel unimpaired. This isa point that cannot fail of inestimable appreciation.By means…
Cycling · Bicycles
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