TY - JOUR T1 - A Letter from Mr. John Ellicot, F. R. S. to the President, concerning the Specific Gravity of Diamonds JF - Philosophical Transactions (1683-1775) VL - 43 SP - 468 EP - 472 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1744.0091 M3 - doi:10.1098/rstl.1744.0091 AU - Ellicot, J. ER -