Abernant Colliery. Investigation of the effect of a Trepan Shearer on the yield of sized products from the “E3” Face (921/64/9) Sep 1964

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/1067
  • Dates of Creation
      Sep 1964
  • Language of Material
      English
  • Physical Description
      1 file