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GB108308A
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Improved Method of and Apparatus for Concentrating Ores by Flotation.
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AU1487914B
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Improved treatment of subdivided ores for agglomerating or reducing them and apparatus therefor
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GB191420361A
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Improved Treatment of Subdivided Ores for Agglomerating or Reducing them and Apparatus therefor.
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US1142324A
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Treatment of subdivided ores for agglomerating or reducing them and apparatus therefor.
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US1033051A
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Method of reducing iron ore.
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GB190918826A
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Method of Concentrating Oolitic Iron-stone and similar Iron-ores.
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US905815A
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Apparatus for the magnetic separation of ore.
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US812173A
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Magnetic ore-separator.
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US812174A
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Method of manufacturing iron sponge.
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US803531A
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Channel-furnace for treating wood.
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US812172A
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Magnetic separation of iron ore.
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US812171A
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Magnetic ore-separator.
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US803530A
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Furnace for burning cement, &c.
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GB190406635A
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An Improved Kiln for Burning Cement or Reducing or Calcining Ores.
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US812170A
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Apparatus for magnetic separation of iron ore.
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US780337A
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Furnace for burning ore briquets.
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GB190323764A
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Improved Furnace or Kiln for Burning Ore Briquettes.
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US799001A
|
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Furnace for the manufacture of iron sponge.
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GB190306283A
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Improvements in Reducing Iron Ore to Iron Sponge and in Furnaces therefor.
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GB190118429A
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Furnace for Burning Ore Blocks or Briquettes
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