TY - JOUR T1 - On Two Metals, Found in the Black Powder Remaining after the Solution of Platina JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 94 SP - 411 EP - 418 PY - 1804/01/01/ UR - http://dx.doi.org/10.1098/rstl.1804.0018 M3 - doi:10.1098/rstl.1804.0018 AU - Tennant, S. ER -