Textbook of ore dressing /

Eitemau Tebyg

• Ore dressing /
  gan: Richards, Robert H. (Robert Hallowell), 1844-1945
  Cyhoeddwyd: (1903)
• A text book of ore dressing,
  gan: Richards, Robert H. (Robert Hallowell), 1844-1945
  Cyhoeddwyd: (1925)
• Handbook of ore dressing /
  gan: Taggart, Arthur F. (Arthur Fay), 1884-
  Cyhoeddwyd: (1927)
• The theory and practice of ore dressing /
  gan: Wiard, Edward S.
  Cyhoeddwyd: (1915)
• The practice of ore dressing in Europe. A description of foreign methods for the mechanical concentration of ores,
  gan: Kunhardt, Wheaton B. (Wheaton Bradish)
  Cyhoeddwyd: (1884)