TY - JOUR T1 - Letters from the Rev. Dr. William Borlase, F. R. S. Rector of Ludgvan in Cornwall, to Charles Morton, M. D. F. R. S. and from Mr. Rosewarne, of Truro, to Dr. Borlase; Giving an Account of a Specimen of Native Tin Found in Cornwall, and Now Deposited in the Museum of the Royal Society JF - Philosophical Transactions (1683-1775) VL - 59 SP - 47 EP - 49 PY - 1769/01/01/ UR - http://dx.doi.org/10.1098/rstl.1769.0007 M3 - doi:10.1098/rstl.1769.0007 AU - Borlase, W. AU - Rosewarne, H. ER -