TY - JOUR T1 - Experimental Examination of a White Metallic Substance Said to be Found in the Gold Mines of the Spanish West-Indies, and There Known by the Appellations of Platina, Platina di Pinto, Juan Blanca. By William Lewis, M. B. F. R. S. JF - Philosophical Transactions (1683-1775) VL - 48 SP - 638 EP - 689 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1753.0086 M3 - doi:10.1098/rstl.1753.0086 AU - Lewis, W. ER -