TY - JOUR T1 - Experiments on Several Pieces of Marble Stained by Mr. Robert Chambers. In a Letter to the Rev. Thomas Birch, D. D. Secret. R. S. from Mr. Emanuel Mendez da Costa, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 51 SP - 30 EP - 35 PY - 1759/01/01/ UR - http://dx.doi.org/10.1098/rstl.1759.0006 M3 - doi:10.1098/rstl.1759.0006 AU - Chambers, R. AU - da Costa, E. ER -