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 63
Fig. 37.—Second melhod of using the large index plale. … Fig. 38.—Divisions of the large index plate. PRECISION WORK AND WORKMANSHIP 53 punchings and fit corresponding dovetail slots in the spider.The dovetails must really fit the slots because, not only is itnecessary that the segments be anchored to prevent flying off bycentrifugal force, but they must…
Machine-shop practice
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