TY - JOUR T1 - The Preparation in a State of Purity of the Group of Metals Known as the Platinum Series, and Notes upon the Manufacture of Iridio-Platinum JF - Proceedings of the Royal Society of London (1854-1905) VL - 28 SP - 463 EP - 471 PY - 1878/01/01/ UR - http://dx.doi.org/10.1098/rspl.1878.0155 M3 - doi:10.1098/rspl.1878.0155 AU - Matthey, G. ER -