. Illustrated catalogue and general description of improved machine tools for working metal . i Diameter. With improved self-acting variable feed, operated by friction discs, per-mitting any variation between fastest and slowest. Feeds arranged in two series,varying in the fine series from .004 to .08, and in the coarse from .02 to . quick hand traverse. Stroke of spindle, 30. Ordinary height of spindleabove table, 8. Made also 10 and 12 high. Table, 56 long beyond boringhead, with longitudinal slots for attaching work. Largest lift of cone pulley, 14for 4 belt. Complete with countershaf
. Illustrated catalogue and general description of improved machine tools for working metal . i Diameter. With improved self-acting variable feed, operated by friction discs, per-mitting any variation between fastest and slowest. Feeds arranged in two series,varying in the fine series from .004 to .08, and in the coarse from .02 to . quick hand traverse. Stroke of spindle, 30. Ordinary height of spindleabove table, 8. Made also 10 and 12 high. Table, 56 long beyond boringhead, with longitudinal slots for attaching work. Largest lift of cone pulley, 14for 4 belt. Complete with countershaft and full set of wrenches. Fast andloose pulleys on countershaft, 14 diameter, 4 face, and should make 80 revolu-tions per minute. Bormg-bars, cutter-heads, chucks for boxes and journal brasses,and outboard supports for boring-bars, extra. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 57 Plate No. HORIZONTAL BORING-MACHINE, WITH FIXED , 4 Diameter. Table with slots for holding work and boring-bar supports may be variedin length to suit requirements. Height of spindle above table, 16. Stroke, improved friction feed giving range from say .004 to coarse finishing feedof nearly y^. It is powerfully geared. Has quick hand traverse to has tool closet with flat key lock. Fast and loose pulleys, 16 diameter, 4belt. 135 revolutions per minute. ]\^e iiiakf a z-(rr/c(v of bon)!o hrrs, cuticrheads a^id supports adapted for various kinds of aark. The illustration shows a6^ steel bar with i3>^ cutter heads, adapted for brake cylinders up to say i6diameter. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. Plate No. 43.
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
