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 97
eased stiff-ness which is explained at the beginning of the chapter on gages.With its massive bed the sensitiveness of simple touch is sogreatly increased that dependence is placed upon it alone, andby it the hundred thousandth of an inch is easily detected. This does not eliminate the personal… … Fig. 58.—Brown and Sharpe measuring machine. being used only in the gage department of the Brown & Sharpeworks where the machines are used by none but trained men andunder these conditions the readings are entirely satisfactory.This was the first machine in which the authority of Whitworthas…
Machine-shop practice
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