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GB119243A
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Improvements in and relating to the Synthetic Production of Cyanides and Nitrides.
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GB122523A
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Improvements in and relating to the Production of Nitrides.
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GB107426A
|
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Improvements in and relating to the Production of Cyanogen Compounds.
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US1264949A
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Method for production of cyanogen compounds.
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CA170328A
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Cyanogen compound
|
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GB191422852A
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An Improved Process for the Production of Cyanogen Compounds, and a Furnace for carrying the same into effect.
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US1187633A
|
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Method for production of cyanogen compounds.
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CA167173A
|
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Potassium production
|
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US1083287A
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Process for producing soluble potassium or sodium compounds out of feldspar or mica or the like.
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GB191223898A
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Process for Producing Soluble Potassium Compounds out of Felspar or Minerals Containing Felspar.
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CA148249A
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Furnace for reducing ore
|
|
CA129534A
|
|
Zinc reduction
|
|
CA137589A
|
|
Malleable iron manufacture
|
|
US1058991A
|
|
Process for the production of malleable iron direct from ore.
|
|
GB190925979A
|
|
An Improved Method and Furnace for the Reduction of Zinc.
|
|
US1002286A
|
|
Method of electric production of iron and steel and other metals.
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|
CA120881A
|
|
Electrical production of metal
|
|
CA103461A
|
|
Transformer furnace
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US880547A
|
|
Transformer-furnace.
|
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GB190623379A
|
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Improvements in Electric Transformer Furnaces.
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