Results 71 to 80 of about 28,830 (206)
Records of Electrolytic Refining And Smelting Co and the Southern Copper Limited
, 1907 This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete.
Electrolytic Refining And Smelting Co +1 more
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Starting the three compartment shaft in 1928 at Silver Reef, Utah, by A S & R Co.
, 1928 Photograph of early work by the American Smelting and Refining Company, which purchased the Silver Reef mines in ...
American Smelting and Refining Company
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, 2019 The project from which the data derived aimed to establish the first systematic study of Cu isotope fractionation during the prehistoric smelting and refining process.
Klein, Sabine +2 more
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, 1952 Lagoon outing of a group, American Smelting and Refining Company Young men and women participating in ...
Shipler Commercial Photographers; Shipler, Harry
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Charter, by-laws, and report of the Waldwick Mining and Smelting Company ...
Cover-title: Report of Col. J. W. Foster ... on the Waldwick Mines, together with charter, by-laws, June and supplemental reports of the Waldwick Mining and Smelting Co. ...
Waldwick Mining and Smelting Company.
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, 2010 Grouping batch and sorting order (GBSO) for smelting charges is a key cycle in refined copper strip producing. To improve its scientific degree, optimization problem of GBSO for smelting charges in refined copper strip producing by artificial immune ...
Zhang Y(张毅) +7 more
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Geologija, 2004 Mining in Slovenia started as far back as the Bronze Age. Since then, mining has been present in this region with only a few interruptions and has left many consequences.The results of research conducted by the Geological Survey of Slovenia in areas of ...
Robert Šajn, Mateja Gosar
doaj
Experience on a New Process Control Software Package
Measurement + Control, 1969 R. H. Gould, D. C. Pearce
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Zinc and Brass in Archaeological Perspective
Ancient Asia, 2006 Brass has a much longer history than zinc. There has been a bit of confusion about the early beginning of zinc as several claims are made out side of India. Both literary as well as archaeological records reveal that production of
J. S. Kharakwal, L. K. Gurjar
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