Gear's illustrated catalogue of wood and iron working machinery (1872)
A.S. Gear, Gear, A. S · Boston : Printed at A.S. Gear's printing office, 62 Sudbury Street · leaf 128
The above illustration represents a Shearing and Punching Machine. There are two sizes. The No. 1 machine■will cut iron i inch thick, will punch iron 3-16 inch thick, and cut round iron f inch diameter. The No. 2 machinewill cut iron f inch thick, will punch iron J inch thick, and will cut round…
