A hardened steel plate having a hole, or a gradation of conical holes, through which wires are interested in be decreased and elongated.
A hardened metal plate having a hole, or a gradation of conical holes, by which wires tend to be attracted to be reduced and elongated.
A drilled full bowl of metal or a drilled ruby whereby a wire, or a metal ribbon or pipe, is attracted to decrease its quality and equalize it, or even provide a particular form.
The holes into the dish are available significantly conical, and where a considerable lowering of dimensions are wanted the line or pole is passed away in succession through a number of holes, each a little smaller compared to the preceding.
A similar tool for testing the ductility of metals, consisting of an oblong little bit of metal pierced with a diminishing variety of gradually tapered holes.
A transverse plate connecting the side-frames in a locomotive and forming an element of the framing that the draw-bar is attached.