k WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART, SCIENCE, MECHANICS, CHEMISTRY AND MANUFACTURES. I 81 SINGLE COPIES SIX CENTS. NEW YORK. AUGUST 22, 1863. f VOL. IX—HO. 8. 1 *S PES ANNUM-IN ADVANCE (NEW SERIES.) requires very little detailed descrip. Hub-Boxing and Spoke Tenoning. tion to render… … chucks, I, slide; the feet of the ened to the opposite end of the S HUB-BOXING AND SPOKE TENONING MACHINES, game being grooved to fit the plate. L. A. DOLE frame. A small bolt working The ends of these chucks are creased, and fitted with the jaws bite the hub; this is attained by setting through…
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