GB189920557A - Improvements in Machines for Grinding or Reducing Lime, Ashes, Sandstone, Limestone, Quartz, and other Minerals or Materials.
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Improvements in Machines for Grinding or Reducing Lime, Ashes, Sandstone, Limestone, Quartz, and other Minerals or Materials.
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Fredric Edward Whitham
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Processing Of Stones Or Stones Resemblance Materials
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Abstract
20,557. Whitham, F. E. Oct. 13. Disc mills for grinding lime, ashes, sandstone, &c. for mortar, limestone &c. for cement, quartz and ores, grain, &c. Relates to a balancing-device comprising two, or three, channel-section rings A adjustable round the pan of the runner or upon the stone itself. The rings are made solid for a portion of their circumference, as shown at D ; they are adjustable vertically by means of wood packing-rings N.
GB189920557D1899-10-131899-10-13Improvements in Machines for Grinding or Reducing Lime, Ashes, Sandstone, Limestone, Quartz, and other Minerals or Materials.
ExpiredGB189920557A
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