TY - JOUR T1 - Tables of Specific Gravities, Extracted from Various Authors, with Some Observations upon the Same; Communicated in a Letter to Martin Folkes Esq; President of the Royal Society, by Richard Davies M. D. JF - Philosophical Transactions (1683-1775) VL - 45 SP - 416 EP - 489 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1748.0053 M3 - doi:10.1098/rstl.1748.0053 AU - Davies, R. ER -