Inside Out LibraryA Treatise on Mine-surveying ... With ... diagrams (1899)BROUGH, Bennett Hooper. · C. Griffin & Co. · leaf 328British Library · HMNTS 7106.ff.32. · Digitised by the British Library with Microsoft · No known copyright restrictions (public domain). Free to use for anything.More pictures from A Treatise on Mine-surveying ... With ... diagramsMore like this
