Mineralogia Cornubiensis: A Treatise on Minerals, Mines, and Mining, Containing the Theory and Natural History of Strata, Fissures, and Lobes, with the Methods of Discovering and Working of Tin, Copper, and Lead Mines ... To which is Added, an Explanation of the Terms and Idioms of MinersR.M. Barton, 1976 - 331 من الصفحات |