Scully blue book: catalogue of iron, steel, machinery, heavy hardware, tools and supplies, with valuable and accurate reference tables (1910)
Scully Steel & Iron Co. · Scully Steel & Iron Co. · leaf 178
tlTe regular equip-ment. The speed of these machines should be about 75 R. P. M., an auto-matic brake being provided to bring the machine to a stop after eachstroke. STANDARD SIZES. Throat Cold Rivets Hot Rivets Punching Weight 18 in. Xin. H in. MxK in. 4000 30 in. Kin. Kin. HxK in. 6000 30 in. Hm.… … These machines have the same specifications as our standard punches,except that the gears have teeth cut from the solid metal, and are de-signed to run at 40 strokes per minute. The stake is an open hearth steelforging, pressed in the frame. Machine is as valuable for punching as fordriving rivets.…