CA18625A
(en )
1884-02-07
Apparatus for amalgamating gold and other metals and separating the samefrom their ores by means of mercury
CA20622A
(en )
1884-11-25
Process asnd apparatus for separating gold and other metals from their ores by means of mercury
CA18925A
(en )
1884-03-20
Apparatus for treating ores chiefly for the extraction of precious metals therefrom
CA28212A
(en )
1887-12-20
Means and apparatus for the separation of gold and other metals from their ores
CA17713A
(en )
1883-09-22
Apparatus for amalgamating and separating ores by means of mercury
CA28005A
(en )
1887-11-12
Process of separating metals from their ores
CA20741A
(en )
1884-12-15
Process for removing metals from ores and metallurgical products, and separating the base from the precious metals
CA18928A
(en )
1884-03-20
Process and apparatus for extracting metals from their ores and concentrating heavy materials
CA20647A
(en )
1884-11-28
Treatment of ores containing precious metals
CA78500A
(en )
1902-12-02
Cyanide method of extracting precious metals from ores
CA17412A
(en )
1883-08-04
Process for extracting precious metals from their ores
CA64044A
(en )
1899-09-29
Process and apparatus for separating precious metals from ores
CA19144A
(en )
1884-04-22
Apparatus for the extraction of gold and the concentration of gold bearing material, such as pyrites, from finely divided auriferous material
CA20740A
(en )
1884-12-15
Process for extracting metals from ores and metallurgical products
CA67783A
(en )
1900-06-19
Amalgamating apparatus for extraction of precious metals from minerals
CA61861A
(en )
1898-11-26
Method od separating precious metals from their ores
CA68346A
(en )
1900-08-04
Apparatus for the treatment of limes and tailings for the extraction of gold and other precious metals
CA20739A
(en )
1884-12-15
Process and compound for extracting metals from ores and metallurgical products
CA37359A
(en )
1891-09-11
Process for the separation of copper, nickel, and silver from matte or alloys containing these ores, and treatment of the residues
CA20795A
(en )
1884-12-26
Amalgamating gold and silver metals and apparatus employed therein
CA75068A
(en )
1902-03-11
Process of recovering and separating metals from their ores and concentrates thereof
CA40329A
(en )
1892-09-14
Process for the extraction of metals from ores and minerals
CA19656A
(en )
1884-06-26
Ore amalgamator
CA14251A
(en )
1882-02-24
Improvements in apparatus for separating and amalgamating gold and otherprecious metals
CA49888A
(en )
1895-09-06
Process of extracting precious metals from ores