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 28
a line parallel with the first line ;by turning the spindle a half revolution, and re-peating the lines on the side presented to the tool-point, the outline of the opposite side of the mor-tise is made. There are many kinds of work in thin metal thatit is necessary to nicely finish up ; metal… … Fig. 3. board or piece of hard wood in the lathe in such away that the line of the centers will be in the same 24 mechanics tool book. plane with the surface of the board. This can bedone by nailing two cleats upon the ends of theboard, the centers finding a bearing in the cleats ;then fasten the…
Machine-shop practice · Tools
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