A new process for the extraction of copper from its ores
Subtitle: with notes on the treatment of gold and silver ores
By: by Dr. T. Sterry Hunt ... and Jas. Douglas, jr. ...
Contributors: Douglas, James, 1837-1918
Edition: (Second and enlarged edition).
Published: 1870
Place of publication: Montreal
Language: eng
Number of pages: 16
Subjects: Copper; Metallurgy
Notes: Cover-title.