TY - JOUR T1 - A Letter of Mr. W. Derham, Rector of Upminster, Dated Jan. 13. 169$\frac{7}{8}$. To Dr. Sloane, about a Contrivance to Measure the Height of the Mercury in the Barometer, by a Circle on One of the Weather Plates, with a Register of the Weather, etc. for the Year 1697 JF - Philosophical Transactions (1683-1775) VL - 20 SP - 45 EP - 48 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1698.0008 M3 - doi:10.1098/rstl.1698.0008 AU - Derham, W. ER -