Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 284
liable to spring away from its cut. If held far out from the tool-post, it is apt tojar or chatter; and unless the work and the tool are both firmly held, it is liable to cut deeper intothe softer than into the harder parts of the metal. The angles or sides of a cutting tool must notof necessity be… … were left flat and the point sharp, the tool would leave deep and ragged feed-marks; the extremepoint, wearing away quickly, would soon render the tool too dull for use, and the point would be aptto break. For the finishing cuts of heavy cast-iron work, which is not liable to spring, the broad…
Mechanical engineering -- Dictionaries
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