定義

• Jig.  A metal form to enclose or hold a medallic item while some operation is performed on it. A jig made as a form mold and cut into portions can be used in partial plating, for example.  See nest, mask, partial plating.

  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

人际关系