The publication includes an account of the Esgairmwyn mine including the post-war reworking of the mine (G.W. Hall); two papers on lead, zinc and silver production in north-east Wales with quantitative analyses of the mining activity there (C.J. Williams, R.A. Williams); a discussion of Dillwyn & Co.’s Swansea silver refining operations (P. Claughton); further research on seventeenth- and early eighteenth-century mining at Cwmystwyth (R. Bird); Fenton’s search for coal near Tywyn (D.M.D. James); three papers on mines and mining-related archaeological work near Pontrhydfendigaid including a description of probably the first underground hydraulic engine in Wales (J. Webb, D. Sables and R. Bird); a re-examination of Brynyrafr mine (S.J.S. Hughes); the detection of methane in mines (R. Vernon); the ‘birth of flotation’ at Glasdir Mill plus a contemporary description of the later vacuum flotation process (G.W. Hall, R. Vernon); a history of the Llwyn Teify, Bwlchgwyn, Penrhiw and Ystumtuen mines (G.W. Hall) and a detailed critique of the IGS mineral reconnaissance map in the northern Central Wales Orefield (D.M. James).
Welsh Mines and Mining No. 2
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