Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 98
ing ratio of feeds carried on saddle. Tapers turned bycombination of gearing on carriage. Turning feeds variable from 2V to 2 perturn of spindle. In screw-cutting lathe, lathe is not reversed; but rest is moved toplace by power rapidly, and clutch for screw cutting is so arranged as to… … 122 LATHE.—Screw-Cutting and Turning. Same type as 72 lathe, Opiate 74). Longitudinal, cross, and angular-facedby power with rapid power adjustment operated by convenient levers ; poppet-head movable j^apidly to place by poicer; carriage arranged to run past poppet-head and follow-rest; long tapers…
Machine-tools · Machinery
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