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GB190723060A
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New or Improved Method of Extracting Iron, and Apparatus therefor.
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GB190618707A
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Improvements in Centrifugal Separators for Liquids.
|
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GB190618708A
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Improvements in Centrifugal Separators for Cream and other Liquids.
|
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GB190517353A
|
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An Improved Yielding Bearing.
|
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US861593A
|
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Process of extracting iron from its ores.
|
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GB190514572A
|
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Improvements in Processes for Obtaining a Violent Chemical Action between Materials and in Apparatus therefor.
|
|
GB190514574A
|
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Improved Process of Extracting Iron from its Ores.
|
|
US768054A
|
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Electric furnace.
|
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US729614A
|
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Process of treating materials by radiated heat in electric furnaces.
|
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US736611A
|
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Process of extracting zinc from its ores.
|
|
GB189612359A
|
|
Improvements in Rotating Boiler Grates.
|
|
GB189518743A
|
|
Improvements in Automatic Ball Valves.
|
|
GB189517577A
|
|
Improvements in Means for Automatically Regulating the Feed Water Supply to Steam Boilers.
|
|
GB189514884A
|
|
Improvement in Water Tube Boilers.
|
|
GB189507643A
|
|
Improvements in the Manufacture of Pipes.
|
|
GB189507289A
|
|
Improvements in Means for Suspending Mechanical Milking Apparatus from the Cow.
|
|
GB189424884A
|
|
Improvements in Differential Pressure-reducing Apparatus.
|
|
GB189421540A
|
|
Improvements in Mechanical Milking Apparatus.
|
|
GB189414845A
|
|
Improvements in Mechanical Milking Apparatus.
|
|
GB189414529A
|
|
Improvements in Means for Governing Steam Motors.
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