GB190401767A
(en )
1904-10-13
Process for Extracting Metals, such as Lead and Silver, from Ores.
GB190209438A
(en )
1902-05-29
Improvements in or relating to Silver Plating and Gilding Processes.
CH27075A
(de )
1903-11-30
Maschine zum Fassen von Edelsteinen, Kristallen, Glaskörpern u. s. w. in Metall
CA92032A
(en )
1905-03-07
Apparatus for extracting gold from auriferous sand, etc.
CH26385A
(de )
1903-08-31
Apparat zum Drucken mit Goldstaub, Silberstaub oder ähnlichen pulverförmigen Farbstoffen
GB190617699A
(en )
1907-01-24
Improvements in or connected with Apparatus for the Extraction of Gold from Auriferous Sand by Amalgamation.
GB190217925A
(en )
1903-01-15
Improvements in or relating to Horse-shoeing Apparatus.
GB190219591A
(en )
1902-12-04
Improvements in, and relating to Deep-boring Apparatus
CA77701A
(en )
1902-10-07
Gold recovering process
AU18904B
(en )
1905-06-13
An improved electrical hydrostatic amalgamating apparatus for extracting gold and silver from rock ores, slimes tailings, pyrites andother products
GB189403680A
(en )
1895-03-20
Improvements in Obtaining Gold and Silver from Ores and other Compounds, and Apparatus therefor.
GB190216403A
(en )
1903-06-04
Improvements in and relating to Weighing Apparatus.
GB190210102A
(en )
1903-03-12
Improvements in or relating to Apparatus for use in Electro Plating.
GB189518177A
(en )
1896-01-04
Process and Apparatus for the Extraction of Gold and Silver from their Ores, and from other Auriferous and Argentiferous Substances.
GB190000269A
(en )
1900-04-14
Improvements in Apparatus for Precipitating Gold and Silver from their Solutions.
GB190220666A
(en )
1902-11-13
Improvements in Dress Shields.
GB190503194A
(en )
1905-06-08
Improvements in Smelting Sulphide Ores.
AU18904A
(en )
1905-06-13
An improved electrical hydrostatic amalgamating apparatus for extracting gold and silver from rock ores, slimes tailings, pyrites andother products
GB190217327A
(en )
1903-08-06
Improvements in or relating to Raising and Hoisting Apparatus.
CA86599A
(en )
1904-04-19
Gold saving apparatus
AU141504B
(en )
1905-07-18
Improvements in ore concentrating apparatus
GB190218391A
(en )
1903-07-02
Improvements in Weighing Apparatus.
GB189516303A
(en )
1896-09-30
Improvements in the Treatment of Slimes or Tailings for the Extraction of Gold or Silver therefrom by Means of Solvents, and Apparatus for that Purpose.
AU266911B
(en )
1911-12-05
Improvements in apparatus forthe recovery of gold, silver andother precious metals from their ores
CH72855A
(de )
1916-07-17
Verfahren zur Auslaugng des Kupfers aus kupferhaltigem Material, insbesondere aus minderwertigen Erzen, Abbränden und Ganggestein