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 106
Fir.. 67.—Precision lathe of the British National Physical Laboratory. which is in many other respects far superior to it. Among thesemay be noted the support of the machine upon three points andby a suitably trussed sub-frame casting; the provision of a tubularbed which, in torsion, is enormously… … Fig. 68.—Nut carriage. Fig. 69.—Tool carriage. Section of the precision lathe shown in Fig. 67. carriages connected by massive rods in direct tension only,whereby the lead screw and the screw in process of being cut areplaced in line with one another. As originally made the ma-chine was provided…
Machine-shop practice
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