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 112
ivide the product by the number in thesmall one. Or, for each size of rearsprocket, multiply the number of teeth intho front one by a certain number (which isa constant factor) and the result is the gear.Thus, if the rear sprocket has 7 teeth,multiply by four; if it has 8 multiply bythree and a… … CLOCK DIAGRAM—RAMSEY PEDAL. a twenty-eight-inch wheel; other sizes re-quire slightly different factors. For a bevel gear chainless the method isto multiply the number of teeth in thecrank-shaft gear by the number in the rearpinion on the shaft and multiply this pro-duct by the number of inches of…
Bicycles
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.