Methods of machine shop work : for apprentices and students in technical and trade schools (1914)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York : McGraw-Hill · leaf 178
h the tool support, the lathe bed,the spindle, and the work to the reaction arrow e. This round-about course of the strain leads to spring and chatter whichare largely eliminated by the use of the pilot bar as shown in Fig. TURNING AND BORING 1(37 143, in which the dotted line again shows the path… … Fig. 142. Fig. 143. Principle of the pilot bar.
Machine-shop practice
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