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DK547C
(da)
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Sigte- og Vadskemaskine for Sand, Grus, Kul, Erts og lignende.
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GB189513725A
(en)
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Sifting and Washing Machine for Sand, Gravel, Coal, Ores, and other Material.
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CH46797A
(de)
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Sortiermaschine für Kies, Sand etc.
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GB189610488A
(en)
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Improvements in Sand Screening Machines.
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CH21487A
(de)
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Vorrichtung zum Waschen von Sand, Kies, Kohlen etc.
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CH10774A
(de)
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Sieb- und Waschmaschine für Sand, Kies, Kohlen, Erze und andere Materialien
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GB189612303A
(en)
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Improvements in Machines for Washing Ores, Coal, and other like Substances.
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GB190506289A
(en)
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Improvements in Apparatus for Screening and Washing Sand and Gravel.
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GB189418091A
(en)
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Improvements in Apparatus for Purifying Coal or the like Material by the Washing Process.
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GB189319252A
(en)
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Improvements in Screens for Screening or Sizing Coal or the like.
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GB189622736A
(en)
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Improvements in Machinery or Apparatus for Crushing and Grading Ores, Quartz, and other Materials.
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GB189607278A
(en)
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Improvements in Machinery for Boring Holes in Stone, Coal, and the like.
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GB189615727A
(en)
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Improvements in Apparatus for Crushing and Screening Stones, Ores, and the like.
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GB189418618A
(en)
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A New or Improved Machine for Washing and Screening and Dividing Gravel and such like Material.
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GB189407951A
(en)
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Improvements in Sorting Machines for Cards or the like.
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GB189511894A
(en)
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A Gold Saving Machine, suitable for the Treatment of Auriferous Sand, Alluvial Deposits, Pulverized Ore, and the like.
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GB189521844A
(en)
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An Improved Machine for Riddling, Grinding, Mixing and Riddling Coal Dust, Sand, and other analogous Materials.
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GB189604477A
(en)
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Improvements in Machinery for Working Stone and the like.
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GB189505954A
(en)
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Improvements in Ornaments for Personal Wear, or the like Articles.
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GB189601185A
(en)
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Improvements in Apparatus for Drilling Rock, Stone, and the like.
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CH16968A
(de)
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Wasch- und Sortiermaschine für Kies, Erze, Kohlen und andere Materialien
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GB189318713A
(en)
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Improvements in Apparatus for Boring Coal, Stone, or the like.
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FR346131A
(fr)
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Perfectionnements aux machines à exploiter la houille, etc.
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CH33552A
(de)
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Karren zum Streuen von Sand, Grien, Schotter oder dergl.
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GB189505177A
(en)
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Improvements in Excavators.
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