Trials with the Oldbury Stoker at Navigation Colliery, Crumlin No. 6 Area. Test 2 - Rhymney Valley Washed Duff (D9/SR/17) Jan 1949

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/196
  • Dates of Creation
      Jan 1949
  • Language of Material
      English
  • Physical Description
      1 file