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 92
3 4 5 6 7 25456789 I 1254 5 67891 I 2 54567891 I 2 5456789i12 54 5678 91 Fig. 53.—Vernier caliper. … Fig. 54.—Vernier height gage. Fig. 55.—Vernier depth gage. If the cross hair of the microscope is somewhat narrower thanthe line upon the standard it may obviously be centralized overit with an error much less than the width of the lines. Mr. 82 METHODS OF MACHINE SHOP WORK Bond informs the author…
Machine-shop practice
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
