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GB134387A
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Improvements in or relating to the Manufacture of Burnt Ore and the like Bricks.
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GB118812A
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Improvements in or relating to Mechanical Roasting Furnaces.
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GB100588A
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Improvements in and relating to the Precipitation of Copper.
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US1235598A
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Method for treating roasted ores with liquids.
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GB191415254A
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Method and Apparatus for Treating Roasted Ore.
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GB191309064A
|
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A Method of Precipitating Iron from Solutions containing Zinc and Iron.
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GB191204496A
|
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A Method of Increasing the Temperature of Tunnel Kilns.
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GB191204386A
|
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Improvements in and relating to Tunnel Kilns.
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CA141252A
|
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Tunnel furnace heating method
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CA141253A
|
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Tunnel furnace
|
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US1062606A
|
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Tunnel-furnace.
|
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GB191124163A
|
|
Improvements in and relating to Apparatus for Precipitating Copper.
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US1124519A
|
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Method for chloridizing roasting of ores.
|
|
CA135836A
|
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Method of working tunnel kilns or furnaces for burning bricks, etc.
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CA135835A
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Tunnel kiln furnace
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CA135834A
|
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Tunnel kiln or furnace
|
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GB191020247A
|
|
An Improved Method of Working Tunnel Kilns or Furnaces for Burning Bricks of Ore Clay and the like.
|
|
GB191020240A
|
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Improvements in and relating to Tunnel Kilns or Furnaces.
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|
GB191020041A
|
|
Improvements in Tunnel Kilns or Furnaces.
|
|
US1051634A
|
|
Tunnel-furnace.
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