pattinson's process

1 definition found

pattinson's process - Collaborative International Dictionary of English v.0.48 :

  Pattinson's process \Pat"tin*son's proc"ess\ (Metal.)
     A process of desilverizing argentiferous lead by repeated
     meltings and skimmings, which concentrate the silver in the
     molten bath, the final skimmings being nearly pure lad. The
     processwas invented in 1833 by Hugh Lee Pattinson, an English
     metallurgist.
     [Webster 1913 Suppl.]