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 82
turn, andso there must be some lessening of friction—at least, the rollers cannot wear into flatspots as the blocks usually do. The twin-roller was hailed with satisfaction in Eng-land, a year ago, the chief mechanicalauthority in the trade press saying thatafter using it for weeks in all sorts… … BALDWIN DETACHABLE. Since then some doubtful or dissentientopinions have been expressed, perhaps be-cause some makers cut up this chain intoa shorter pitch, and therefore get it slighterand more exposed to clogging. Withouthaving practical experience of the twin-roller as yet, we strongly incline…
Bicycles
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