Letters patent, No 3695, Charles Madge, Mining Engineer, Invention for improvements in the manufacture of Retorts Muffles and pots for reducing lime and other ores etc. 15 Sep 1879

  • This material is held at
  • Reference
      GB 216 D/D YIM 3/1/3
  • Dates of Creation
      15 Sep 1879
  • Language of Material
      English
  • Physical Description
      1 parchment