Inside Out LibraryA Treatise on Mine-surveying ... With ... diagrams (1897)BROUGH, Bennett Hooper. · C. Griffin & Co. · leaf 57British Library · HMNTS 7106.ff.30. · 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
