TY - JOUR T1 - Astronomical Observations on the Rotation of the Planets Round Their Axes, Made with a View to Determine Whether the Earth's Diurnal Motion is Perfectly Equable. In a Letter from Mr. William Herschel of Bath to William Watson, M. D. F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 71 SP - 115 EP - 138 PY - 1781/01/01/ UR - http://dx.doi.org/10.1098/rstl.1781.0032 M3 - doi:10.1098/rstl.1781.0032 AU - Herschel, W. ER -