NNP

Castaing Machine.  An edge treating machine which applies a groove to the edge of coinage blanks, usually with ornamentation, as engrailment, or lettering. It was invented in 1685 by Jean Castaing, hence the name.  See canneluring machine, edge, engrailment.

Reference:                                                                                                                                

C66 {1988} Cooper pp 102-105, 194.

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