Definition

• Topping Machine. This is a heavy duty shearing-type cutter used to cut the ends of a coinage ingot after it was removed from the mold. This removed irregular casting defects and prepared the ingot for tapering so it could fit into the rolling mill.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

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