CA28471A
(fr )
1888-02-06
Perfectionnements dans l'extraction de l'or et de l'argent des minerais, etc
ATE345586T1
(de )
2006-12-15
Elektrischer kontakt
IT7968074A0
(it )
1979-05-21
Filo di lega d oro per articoli digioielleria particolarmente catenine collane e simili
CA30692A
(fr )
1889-02-02
Maniere d'extraire l'or l'argent, etc., des minerais. etc.
CA29235A
(fr )
1888-05-29
Machine a extraire l'or et l'argent de leurs minerais au moyen de l'electricite, du mercure, cyanure de potassium et autres agents
CA33976A
(fr )
1890-03-20
Extraction de l'or et de l'argent des minerais et autres composes
CA29395A
(fr )
1888-06-25
Procede d'amalgation de l'or et de l'argent
ES6681A2
(es )
1887-04-01
Mejoras en la amalgamación del oro y otros metales preciosos.
GB189608967A
(en )
1897-03-20
Improvements in Apparatus for the Recovery of Gold, Silver, and other Precious Metals.
GB189615158A
(en )
1896-09-05
Improvements in Bracelets, Necklaces, and the like.
CA34563A
(fr )
1890-06-23
Solution pour traiter les minerais d'or et d'argent
GB189506802A
(en )
1896-01-18
Improvements in Extracting Gold and Silver from Ores and the like.
GB189410249A
(en )
1895-03-30
Improvements in Obtaining Gold and Silver from Ores, Mattes, or other Compounds.
GB189515935A
(en )
1896-08-24
Improved Means of Obtaining Photographs in Relief in Gold, Silver, and other Materials.
Bacon
1994
Gold alloy
GB189606996A
(en )
1896-05-30
Improvements in Bracelets, Necklaces, Chains, and the like.
Balocco
1995
From the die to the jewel
GB189519344A
(en )
1895-12-14
Improvements in Package-rolls of Gold, Silver, or other Metallic Leaf for Decorative Purposes.
GB189613641A
(en )
1897-06-19
Improvements in or relating to the Treatment of Tin or Antimony Ores, and the Separation of the Gold and Silver contained therein.
CA26391A
(fr )
1887-04-05
Amalgamateur centrifuge pour le minerai broye, le sable, etc., contenantdes metaux precieux
GB189622715A
(en )
1896-10-31
Improvements in and connected with Amalgamating Apparatus for Extracting Gold and Silver from their Ores.
CA37556A
(fr )
1891-10-07
Moulin pour broyer et amalgamer les minerais d'or et d'argent
GB189617493A
(en )
1897-06-12
Improvements in the Recovery of Gold and Silver from their Solutions.
Ferraro et al.
1984
Letter from a Brazilian Professor to Geraldine Ferraro
Seidmann
1996
" Jewelry-from antiquity to the present" by Clare Phillips (Book Review)