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US1152699A
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Process for separating iron and nickel from copper in certain ores and masses.
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GB191409535A
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Improvements in and relating to the Production of Nickel Iron Alloys.
|
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CA148684A
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Vitreous substance
|
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US1101115A
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Extraction of copper and nickel, particularly from low-grade ores and products.
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GB191209146A
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Improvements in the Extraction of Copper and Nickel, particularly from Low Grade Ores and Products.
|
|
US1043291A
|
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Process for the extraction of copper and nickel, particularly from lowgrade ores and products.
|
|
GB191200227A
|
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Improved Process for the Extraction of Copper and Nickel particularly from Low Grade Ores and Products.
|
|
GB191118053A
|
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An Improved Glass and Method of Manufacturing the same.
|
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CA118102A
|
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Process of treating titaniferous iron ores
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US930344A
|
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Process of treating titaniferous iron ores.
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GB190824590A
|
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Improvements in or relating to a Process of Treating Titaniferous Iron Ores.
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|
US808066A
|
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Process for the production of metallic calcium.
|
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US656930A
|
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Electric furnace.
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GB190006296A
|
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Improvements in Electric Furnaces.
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CA69686A
|
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Electric smelting
|
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CA68777A
|
|
Process of producing calcium carbide
|
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CA71364A
|
|
Electrical furnace
|
|
CA67337A
|
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Method of and apparatus for utilizing waste gases
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CA68778A
|
|
Method of smelting metals
|
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US652076A
|
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High-temperature smelting-furnace.
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