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 72
f the Union produce theirflush joints by using what they call pocketbrazing. This mode requires the formingof a series of pockets in the projecting endsof the brackets, which may be oval, cir-cular or of any desired shape, although theoval has been found the most convenient. 50 Before the tubing is… … The chief drawbacks were that the sprocketbearings wrere ill-supported, as a shaftcould not be run through the wheel, and sothey did not stand well under the twistingstrain; the backlash was unusual, all theobjectionable features of chain driving,which had not at that time been modifiedby improved…
Bicycles
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