TY - JOUR T1 - Some Observations towards Composing a Natural History of Mines and Metals, Communicated in a Letter to Dr. Rutty, S. R. Secr. & Coll. Med. Lond. Soc. By Dr. Frank Nicholls, Professor of Anatomy at Oxford JF - Philosophical Transactions (1683-1775) VL - 35 SP - 402 EP - 407 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1727.0029 M3 - doi:10.1098/rstl.1727.0029 AU - Nicholls, F. ER -