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 66
thismethod consists in that the tubes beingplaced in the retort do not come in directcontact with the flames, which form a scaleupon the surfaces and require the subse-quent operation of pickling the tubes inlarge vats of acid in order to remove thescale. This process of annealing in theretorts… … CLEVELAND FORK CROWN. being finished. The only difference be-twen teh operation of a hydraulic drawbench and of a chain bench is that in thechain bench there is a continuous chain,operated by steam power, and the grip isso arranged that it will catch in any linkdesired. Seamless tubes are made…
Bicycles
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