(n) :
(historical) A process for obtaining casts in relief from an engraved zinc plate. A fusible metal is heated so that it melts and fills the hollows of the engraving, which is then destroyed using hydrochloric acid.
(n) :
(historical) A process for obtaining casts in relief from an engraved zinc plate. A fusible metal is heated so that it melts and fills the hollows of the engraving, which is then destroyed using hydrochloric acid.