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 156
an extratube runs from the middle of the head andintersects the front diagonal, and is brazedto the rear crank hanger. The Henley dia-mond tandem has the upper main tubeparalleled by an additional tube, whichruns from the lower part of the head to therear diagonal stay. On the Andrae tandemthe… … WOLFF-AMERICAN TANDEM. perfectly, so that the rear wheel is per-fectly centred at all times, even under thegreatest strain. The method of placing anextra tube running from the top, or nearthe top, of the front diagonal stay to thecrank hanger bracket is in almost uni-versal use, so that it is…
Bicycles
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