TY - JOUR T1 - An Account of a New Improvement of the Portable Barometer. By Edward Spry, M. D. of Totness, Devon. In a Letter to the Right Honourable James Earl of Morton, President of the Royal Society JF - Philosophical Transactions (1683-1775) VL - 55 SP - 83 EP - 85 PY - 1765/01/01/ UR - http://dx.doi.org/10.1098/rstl.1765.0012 M3 - doi:10.1098/rstl.1765.0012 AU - Spry, E. ER -