The Modern bicycle and its accessories; a complete reference book for rider, dealer, and maker (1898)
Schwalbach, Alexander, Wilcox, Julius, Commercial advertiser association, New York · New York, The Commercial advertiser association · leaf 149
d no tendency to hold downthe back wheel. Only a year ago, Mr. Harrison, an Eng-lishman, patented a lever contrivance withoscillating fulcrum, in combination withplanet gearing. Every disadvantage oflever-driving attached to this, and healso took up again our old acquaintancethe much-heralded… … A NOTION OF IS cam. just patented by a Swede am:to have been sold (a few countries ex-It is an L-lever piv-at the crank bracket, the forward armcarrying the pedals, and the upper arm. cord upon a sort ofor scroll on the rear axle: the drivingis on each side necessarily, and there isno back…
Bicycles
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