. Illustrated catalogue and general description of improved machine tools for working metal . HORIZONTAL DRILLING AND BORING Table without Yoke Support. Spindle, 2_% diameter, 30 stroke. Slotted table on bracket 48 long by23 wide. Adjustable along the bracket and across it. Greatest distance fromcentre of spindle to top of table 21. To top of bracket 263^. Has improvedfriction feed variable from finest drilling feed to over J4 per turn of spindle forfinishing with broad cutter. Very quick hand adjustment and quick clutch forpower feed. Complete with countershaft, wrenches and
. Illustrated catalogue and general description of improved machine tools for working metal . HORIZONTAL DRILLING AND BORING Table without Yoke Support. Spindle, 2_% diameter, 30 stroke. Slotted table on bracket 48 long by23 wide. Adjustable along the bracket and across it. Greatest distance fromcentre of spindle to top of table 21. To top of bracket 263^. Has improvedfriction feed variable from finest drilling feed to over J4 per turn of spindle forfinishing with broad cutter. Very quick hand adjustment and quick clutch forpower feed. Complete with countershaft, wrenches and sample drill socket. Fastand loose pulleys on countershaft 16 diameter by 4 face. Should make 75 revo-lutions per minute. Revolvbig slide rest and supports for boring box, extra. 46 Wm. Sellers & Co., Incorporated, Philadelphia, HORIZONTAL DRILLING AND BORING Table with Yoke Support. With improved v^ariable feed in two series, varying from the finest drillingfeed to over J4 per turn of spindle for finishing. Spindle, 2^ diameter, 30stroke. Very quick hand traverse. Power-feed operated instantly by positiveclutch. Largest lift of cone, 20 diameter for 3 belt. Ratio of back-gear, about12 to I. Slotted table on bracket 48 long by 28 wide ; adjustable along thebracket and across it. Height from centre of spindle to top of table in lowestposition, 21; to top of bracket in lowest position, 26)4. Machine complete withcountershaft, yoke support for boring-bar, full set of of wrought-iron wrenches,and sample socket for drill. Fast and loose pulleys on countershaft, 16 diameterby 4 face ; should make 75 revolutions per minute. Revolving slide-rest forfice-plate, extra. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 47 Plate No. 34.
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
