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FR2697548A1
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Drive mechanism for retractable bollard.
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GB190801373A
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Improvements in Protecting and Non-skid Devices for Motor-car and other Wheels.
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GB190622793A
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New or Improved Elastic Tyre of Wheels.
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CA89880A
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Pulverizer
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GB190406444A
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An Improved Crushing and Pulverizing Machine.
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GB189730310A
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Improvements in or relating to Means for Classifying and Sorting Ore, Grain, Flour, and similar Materials.
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CA60450A
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Ore sorter
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GB189706864A
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Improvements in Apparatus for Sorting and Classifying Ores, Grain, Flour, and the like.
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