Washability Test at Coed Bach Washery on Pentremawr Coal, 5th October 1960 (570/60/1) Nov 1960

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/809
  • Dates of Creation
      Nov 1960
  • Language of Material
      English
  • Physical Description
      1 file