Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 401
o\vt>. each. These stamper-heads are made of the finest and hardest kind of cast-iron, such ironas chilled rollers are made of, and are cast in heavy iron chills, so as to harden the whole surface of thehead. These heads are fastened to the wooden helve by a wrought-iron tang of two inches… … hoops laid around the lower end of the helve. The SO stampers are divided into 3 sets of 5 each; these5 stampers work into one trough—that is, the whole length of the trough is divided into 6 compart-ments, of which each forms a set or battery. Each battery has its own feeding apparatus ; this is…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
