TY - JOUR T1 - Experiments to Determine the Difference in the Number of Vibrations Made by an Invariable Pendulum in the Royal Observatory at Greenwich, and in the House in London in Which Captain Kater's Experiments Were Made JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 119 SP - 83 EP - 102 PY - 1829/01/01/ UR - http://dx.doi.org/10.1098/rstl.1829.0012 M3 - doi:10.1098/rstl.1829.0012 AU - Sabine, E. ER -