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"Batering-ram, an engine for battering down the walls of besieged places. The ancients employed two different engines of this kind-- one suspended in a frame, the other movable on wheels or rollers. They consisted of a beam or spar with a massive metal head, and were in motion either by a direct application of manual force or by means of cords or pulleys." -Vaughan, 1906

Battering Ram

"Batering-ram, an engine for battering down the walls of besieged places. The ancients employed two…