TY - JOUR T1 - Experiments upon Metals, Made with the Burning-Glass of the Duke of Orleans. By Monsieur Geoffroy, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 26 SP - 374 EP - 386 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1708.0059 M3 - doi:10.1098/rstl.1708.0059 AU - Geoffroy, M. ER -