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 109
Fig. 70.—With cover plate in position. … Fig. 71.—With cover plate removed.Indicating beam caliper. THE MEASUREMENT OF ERRORS 99 slight endwise movement. The sliding head carries a secondfinger which is threaded and fitted with a knurled head. Thestandard—an end-measure rod or a sample piece preservedas a standard, as in the present…
Machine-shop practice
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