TY - JOUR T1 - An Account of Operations Carried on for Ascertaining the Difference of Level between the River Thames at London Bridge and the Sea; And Also for Determining the Height above the Level of the Sea, &c. of Intermediate Points Passed Over between Sheerness and London Bridge JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 121 SP - 167 EP - 197 PY - 1831/01/01/ UR - http://dx.doi.org/10.1098/rstl.1831.0011 M3 - doi:10.1098/rstl.1831.0011 AU - Lloyd, J. ER -