AT27669B
(de )
1907-02-25
Verfahren zum Entschwefeln der rohen Blei-, Silber- und Golderze in der Birne.
GB190401767A
(en )
1904-10-13
Process for Extracting Metals, such as Lead and Silver, from Ores.
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.
GB190218353A
(en )
1903-08-20
Improvements in, and relating to, Life-saving Apparatus.
GB190617699A
(en )
1907-01-24
Improvements in or connected with Apparatus for the Extraction of Gold from Auriferous Sand by Amalgamation.
AU800307B
(en )
1908-01-14
Amalgamating process applicable to all gold and silver ores
GB190219591A
(en )
1902-12-04
Improvements in, and relating to Deep-boring Apparatus
GB190206554A
(en )
1903-03-12
Improvements in Lead Rivet Moulds
GB190712591A
(en )
1908-02-27
Improvements in the Metallurgical Treatment of Sulphurous Ores by the Precipitation Process.
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.
ES40646A1
(es )
1907-06-01
Mejoras en el procedimiento de fundición de los minerales sulfurosos de cobre pirítico, níquel o cobre y níquel.
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.
GB190523408A
(en )
1906-09-13
Improved Process for Obtaining Lead and Silver from their Ores.
GB190217327A
(en )
1903-08-06
Improvements in or relating to Raising and Hoisting Apparatus.
CA86599A
(en )
1904-04-19
Gold saving apparatus
AU18904B
(en )
1905-06-13
An improved electrical hydrostatic amalgamating apparatus for extracting gold and silver from rock ores, slimes tailings, pyrites andother products
GB189324939A
(en )
1894-12-08
Improvements in the Treatment of Gold Ores.
AU141504B
(en )
1905-07-18
Improvements in ore concentrating apparatus
GB190217585A
(en )
1903-01-22
Process and Apparatus for the Production of Substances resembling Leather.
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