A transport and sifting process with material circulation, for fine grinding mills.
ES108084A1
A procedure with its corresponding device to grind.
ES102061A1
Home for the combustion of coal dust.
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Method of and apparatus for producing lead oxid.
GB191409333A
Improvements in Method of and Apparatus for Producing Lead Oxide.
NL93C
Improvement to a ring mill
US1103557A
Pulverizing-mill.
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Grinding or reducing apparatus.
GB191118141A
Improvements in Grinding or Reducing Apparatus.
CA118289A
Stone breaker
GB190826741A
Improvements in and relating to Pulverizers or Machines for Breaking Stones or the like.
GB190826740A
Improvements in and relating to Pulverizers or Machines for Breaking Stones or the like.
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Ring-and-roller mill.
GB190512533A
An Improved Method of and Apparatus for Purifying Blast Furnace Gases, Dust-laden Air, and the like, and for Dissolving Gases, and other Matter in Liquids.
GB190509963A
Improvements in Pendulum- or Ring-and-roller Mills.