. Illustrated catalogue and general description of improved machine tools for working metal . PULLEY BORING Pulleys, Car-Wheels, and General Work. Table fitted with universal chuck, taking wheels 36 in diameter. Willbore work up to 6 ft. in diameter if clamped to table. Cross-head for holdingboring-bar balanced and arranged with variable power-feed and quick hand-traverse. Sliding surfaces protected from chips, which can fall through bed ofmachine into pit in foundation. Length of boring-stroke, 14/^- Machinecomplete with countershaft, hangers, and full set of wrought-iron wrenches
. Illustrated catalogue and general description of improved machine tools for working metal . PULLEY BORING Pulleys, Car-Wheels, and General Work. Table fitted with universal chuck, taking wheels 36 in diameter. Willbore work up to 6 ft. in diameter if clamped to table. Cross-head for holdingboring-bar balanced and arranged with variable power-feed and quick hand-traverse. Sliding surfaces protected from chips, which can fall through bed ofmachine into pit in foundation. Length of boring-stroke, 14/^- Machinecomplete with countershaft, hangers, and full set of wrought-iron wrenchesand lever to operate chuck. Sample boring-bar with machine, 2tI and loose pulleys on countershaft, 24 diameter for 4 belt. Speed ofcountershaft, 60 revolutions per minute. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 67 Plate No. 50 CAR-WHEEL BORING-MILL, No. L Table, 50 diameter, with universal chuck for car-wheels, 42 diameter andtinder. Improved friction-feed with automatic hold-fast. Improved double cut-ters, quickly changed. Crane attachment, with chain-sling and hooks, arrangedto stop automatically at top and bottom of hoist. Facing-rest for ends of distinct from bar, which may be changed to suit size of holes. 24by 4 pulleys on countershaft, 134 revolutions per minute; iS by 6 pulleys^290 revolutions per minute. Wm. Sellers & Co., Incorporated, Philadelphia, Pa.
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
