UNIFLOC Reagents Ltd., Chemical Engineers, Swansea. Plan showing "The Butterley Colliery Co. Ltd. Ollerton Colliery. Arrangement of clarification plant". Drawing No. PS 1235/5. Scale 1/4 inch: 1 foot.

  • This material is held at
  • Reference
      GB 216 D/D UCE 1/54
  • Dates of Creation
      1938
  • Language of Material
      English
  • Physical Description
      1 plan