Shop practice for home mechanics, use of tools, shop processes, construction of small machines. Contains a chapter also on theoretical mechanics and on miscellaneous information relative to shop work (1920)
Yates, Raymond F. (Raymond Francis), 1895- · New York, N. W. Henley Pub. Co. · leaf 119
1 J Fig. 139—A pair of V-blocks ging out a little valley extending from the center whichthe drill has made to the side opposite from that towardwliich the drill is slipping. … Fig. 140—How a piece of round stock rests in V-blocks In drilling a transverse hole through a round piece ofstock, much difficulty will be met in causing the drill topass through the exact center. The larger the drill is andthe smaller the diameter of the stock being drilled, themore difficult this…
Machine-shop practice · Handicraft
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
