Abernant Colliery. Investigation of the effect of a Reisshakenhobel Plough, and a 48” B.J.D Disc Shearer on the Yield of Sized Products (887/64/9) Apr 1964

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/1094
  • Dates of Creation
      Apr 1964
  • Language of Material
      English
  • Physical Description
      1 file