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 45
ints, amongthem all that is in the vertical positionof the rider, the gear construction suppliesits own enclosure against dirt, and thegears are of the simple spur variety, thusescaping any distinctive troubles of thebevel gear. Arguing from the full trial onthe Bantam, this gear may be expected… … THE ENGLISH CHAINLESS. with 21 teeth; the fixed rack is3^4 inches in diameter, with 49teeth, all the teeth used thus being of14 pitch. The stroke of the pedal is7^4 inches in each direction. Having arocking movement necessarily,the path of the pedal is not an />w arc of a circle, but is…
Bicycles
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
