Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 555
into use. In the drawings, Fig. 3162 denotes a side elevation. Fig. 3163 an end view of the cylinder E, and the series of rotating punches FFFF, showing theright-angular shoulders b, on the punches. In said Figures A denotes the bed-lever of the punches ; B, the punch-lever, or that which…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
