Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 90
the tool thrust directly and with little tendency to twist the saddle, hence wefind that our lathes may be used for coarser pitches than can be cut in lathes withan outside screw. The foregoing description applies with exactness only to our regular En-gine lathes between 12 and 48 swing; our larger… … 20 SELF-ACTING SLIDE-LATHE—Turning and Screw-Cutting Feeds. Flat-top shear, with vertical guiding surfaces. Poppet-head lined by un-der V clamp. Concentric hold-fast for poppet spindle, clamping spindle at bothends of bearing. Independent screw-cutting and turning-feeds, instanth^ change-able from…
Machine-tools · Machinery
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