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US1081287A
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Apparatus for reducing compounds.
|
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US1178667A
|
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Heat-accumulator.
|
|
GB189823126A
|
|
Means and Method for Heating Air or Gases.
|
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CA62624A
|
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Process and apparatus for splitting of chemical combinations and manufacturing objects from the same
|
|
US692539A
|
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Process of reducing ores.
|
|
GB189718327A
|
|
Improvements in the Process and Apparatus for Decomposing Chemical Combinations.
|
|
GB189703926A
|
|
Improvements in the Manufacture of Articles in Iron and Steel and Alloys of same direct from the Ore.
|
|
GB189509146A
|
|
Improvements in and connected with Arc Lamps.
|
|
CA42331A
|
|
Process of manufacturing chemicals by electricity
|
|
CA43136A
|
|
Process of obtaining metals and metaloids
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