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 66
oo obtuse, it does not cut, but roughly tears awaythe opposing metal, and ox^erates in a very unsatis-factory manner. The angle of the tool must bethat in which the minimum of friction and themaximum of durability is produced. For ironthis angle is about 60°. It has probably been observed by the… … Fig. 15. metal could be made rigid enough, so arranged asto be fixed in the correct position, and thus re- 62 mechanics tool book. tained for use and at the same time be maderemovable for repairs and adjustable to compensate for the wear and grinding of the tool, animportant result would be gained.…
Machine-shop practice · Tools
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
