TY - JOUR T1 - An Account of Several Curiosities Relating to Amber, Lately Sent to the Royal Society from Philippus Jacobus Hartmannus (Author of the Account of It Published Last Transaction) and which are Now in Their Repository at Gresham-College JF - Philosophical Transactions (1683-1775) VL - 21 SP - 49 EP - 50 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1699.0009 M3 - doi:10.1098/rstl.1699.0009 AU - Hartmannus, P. ER -