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DE2351214A1
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Powered elevating chimney or flue width regulator - has impact mechanism flanged on motor assisted element carrying widener appliance
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US943728A
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Ophthalmoscope.
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GB190902426A
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Improvements in Ophthalmoscopes.
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GB190716994A
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A New or Improved Method of Treating Animal Tissue for the Production of Fibres.
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GB190811292A
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Method of Producing a Material for Substituting Leather.
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GB190511237A
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Improvements in or relating to the Washing of Coal, Ore, and the like.
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GB190421897A
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Improvements in Hydraulic Jigging Machines.
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US801204A
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Method of and apparatus for treating coal, ores, and other minerals for draining them of water.
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GB190402485A
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Method of and Apparatus for Treating Coal, Ores, and other Minerals, for Draining them of Water.
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GB190305483A
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Improvements in Conveyers for Coal, Ores or the like.
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GB190300762A
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Improved Process of and Apparatus for Clarifying Waste Liquid Extracted from Coal, Ore and the like
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GB190204767A
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Improvements relating to Ore Jiggers
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GB190122333A
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A Method of Washing and Sizing Coal.
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GB189513021A
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Improved Method of Working Small Coal Washing Establishments, and Apparatus therefor.
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