. Illustrated catalogue and general description of improved machine tools for working metal . 12 X 72 MACHINE—to Plane Work 7 Feet Long. With improved feed motion. Automatic tool lifter. Power raising gearfor cross-head. Vertical slide-rests counterbalanced. Usual cutting speed 18 minute; return speed of table 54 ft. Secojid saddle on cross-head and verticalslide-rests, extra. Made any required length. \Vm. Sellers & Co., Incorporated, Philadelphia, Pa. 163 Plate No. 120 X 120 PLANING MACHINE—to Plane Work 25 Feet Long. With extra deep patent cross-head with independent f
. Illustrated catalogue and general description of improved machine tools for working metal . 12 X 72 MACHINE—to Plane Work 7 Feet Long. With improved feed motion. Automatic tool lifter. Power raising gearfor cross-head. Vertical slide-rests counterbalanced. Usual cutting speed 18 minute; return speed of table 54 ft. Secojid saddle on cross-head and verticalslide-rests, extra. Made any required length. \Vm. Sellers & Co., Incorporated, Philadelphia, Pa. 163 Plate No. 120 X 120 PLANING MACHINE—to Plane Work 25 Feet Long. With extra deep patent cross-head with independent feed rods and screwsfor both saddles. Counterbalanced vertical Power raising gear forcross-head. Improved feed motion. Extra deep bed with patent cutting speed 18 feet per minute ; return speed of table 54 feet. Verymassive table. Made any required length. 164 Wm. Sellers & Co., Incorporated, Philadelphia, Pa. Patent SpiraUGeared Planing flachines. IN designing this machine, we sought to produce a planer that would do betterand more work than had ever been accomplished, to eliminate chattermarks, to increase the driving power and to accelerate greatly the reversingspeed. The spiral gearing has produced a smoothness of work which has neverbeen excelled ; and, to increase the reversing speed, we operate the mechanismby friction clutches driven by a belt or belts running in the same direction. Whena single belt is used, the reversing is accomplished t
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
