TY - JOUR T1 - A Letter to the Right Honourable the Earl of Morton, President of the Royal Society. Containing Experiments and Observations on the Agreement between the Specific Gravities of the Several Metals, and Their Colours When United to Glass, as Well as Those of Their Other Proportions: By Edward Delaval, F. R. S. M. A. and Fellow of Pembroke Hall, Cambridge JF - Philosophical Transactions (1683-1775) VL - 55 SP - 10 EP - 38 PY - 1765/01/01/ UR - http://dx.doi.org/10.1098/rstl.1765.0003 M3 - doi:10.1098/rstl.1765.0003 AU - Delaval, E. ER -