Definición

• Chalk.  A white calcareous substance used for die engraving prior to transferring a design, or to coat the face of a die with chalk upon which the design is drawn or scribed. Hand die engravers use precipitated chald. A similar technique, called chalk engraving, is used in stereotyping to produce a relief form.

  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

Relaciones