Pentremawr Colliery. Investigation of the effect of different methods of coal winning on the yield of sized products. Pulsed Infusion compared with Machine Cutting (438/59/1) Nov 1959

This material is held atWest Glamorgan Archive Service

  • Reference
    • GB 216 D/D PRO/NCB/6/628
  • Dates of Creation
    • Nov 1959
  • Language of Material
    • English
  • Physical Description
    • 1 file