The mechanic's tool book. With practical rules and suggestions for use of machinists, iron-workers and others (1868)
Harrison, William B · New York, D. Van Nostrand · leaf 42
drifts are often made of the re-quired form and used without cutting teeth upontheir surface, but if this form of drift has anygreat amount of work to do, no workman will at-tempt to use it, without a cutting or serrated sur-face. As the hammer will somewhat batter upand spread the diameter of the… … Fig. 9. Fig. 9. A short cylinder of metal as at c must beturned to lit the hole in the hub b of the pulley,and a longitudinal groove a cut in this cylinder ofthe width of the key. The depth of this groove isof but little account, as the groove is merely toserve as a guide to the drift, to make a…
Machine-shop practice · Tools
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
