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 50
e preserved for making future scjuares. In the above cases the original squares were intended forshop use. More frequently the aim is to make a test square by PRECISION WORK AND WORKMANSHIP 39 which to test and correct the working squares. An example ofthis kind, from the works of the Ingersoll… … Fig. 21.—Third method of originating squares. have at least one end truly square with its center line—themaking of such a cylinder with a good grinding machine beingan easy and simple matter. The cylinder is then placed uponthe surface plate as shown when, by the nature of the work,the angle…
Machine-shop practice
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
