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 46
Fig. II.—Testing a lathe bed for wind. PRECISION WORK AND WORKMANSHIP 35 placed by short cylinders which may be easily made of the samediameter. Across these cylinders are laid three parallels ofprecisely the same thickness and to these the straight edge isapplied in the manner shown in connection… … Fig. 12.—Erecting a long planer bed. and by suitable adjustment of these in accordance with theindications of the spirit level shown and of the straight edge,the planer bed may be brought to a position in which it is leveland without wind. ORIGINATING SQUARES BY THE SCRAPING PROCESS Other things…
Machine-shop practice
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