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 136
r them isrespected. The uses of the gages are, in fact, almost numberless.A property which they have and which appears to most peopleas new although, in point of fact, surfaces sufficiently good toshow this property equally well have been made for manyyears, is that of adhesion. If two of the… … Fig. 107.—Use of Johansson gages for setting calipers. •^a property which is extremely valuable in the every-day use ofthe gages. This adhesion is not to be confused with the mom-entary adhesion of surface plates which is commonly attributedto the pressure of the atmosphere. With the gages the…
Machine-shop practice
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