Definition

• Precipitated Chalk.  A powdered chalk used by an engraver prior to hand engraving a die or medal. The chalk is dusted on the metallic surface allowing the engraver to mark, scribe or draw on the surface. Precipitated chalk is also used with transfer wax to transfer a lettering layout or engraving design to a metallic surface.  Compare chinese white, dye blue.

  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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