. Illustrated catalogue and general description of improved machine tools for working metal . PUNCHING AND SHEARING MACHINE COMBINED-30- Oy.,.^,„,with set of slLr blades, sam^ieJunch, a^. ch? ^ ^^^^ ^-P^^*- I82 Wm. Sei-LErs & Co., Incorporated, Philadelphia, Pa. Plate No. 26 PUNCHING MACHINE—WITH Automatic Spacing Table. Overreach of main punch from back of throat, 26. Capacity, itV holein i steel plate. Front punch for lighter work in flanges and angles. Toggle-joint stop motion, counterbalanced slide raised and lowered by hand lever forsetting punches. Two speeds, spacing table 42 wide
. Illustrated catalogue and general description of improved machine tools for working metal . PUNCHING AND SHEARING MACHINE COMBINED-30- Oy.,.^,„,with set of slLr blades, sam^ieJunch, a^. ch? ^ ^^^^ ^-P^^*- I82 Wm. Sei-LErs & Co., Incorporated, Philadelphia, Pa. Plate No. 26 PUNCHING MACHINE—WITH Automatic Spacing Table. Overreach of main punch from back of throat, 26. Capacity, itV holein i steel plate. Front punch for lighter work in flanges and angles. Toggle-joint stop motion, counterbalanced slide raised and lowered by hand lever forsetting punches. Two speeds, spacing table 42 wide, operated automatically andarranged with a differential movement to allow for variations of spacing in innerand outer boiler sheets. Table runs on roller stands and is held in place by pow-erful brake. Punches plates of moderate thickness at rate of 28 holes perminute. \Vm. Sellers & Co., Incorporated, Philadelphia, Pa. 183 Plate No. 152.
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
