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 105
chine,which forges a ball rough and at the samemoment bites off the bit from the rod withthe die. Next follow grinding and polish-ing automatically between horizontal disksabout three feet in diameter in conjunctionwith emery wheels; finally come tempering,the last polishing and gauging… … AOTUAL FOUR-POINT BEARING — EAND D PATTEIRN. 84 turally considered somewhat in the price.The machines used are patented, and thisbare outline is all we are permitted topublish. There remains to be considered the four-point bearing, and no better example of this can be given than In the cut of one…
Bicycles
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