TY - JOUR T1 - On the Action of Nitre upon Gold and Platina. By Smithson Tennant, Esq. F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 87 SP - 219 EP - 221 PY - 1797/01/01/ UR - http://dx.doi.org/10.1098/rstl.1797.0013 M3 - doi:10.1098/rstl.1797.0013 AU - Tennant, S. ER -