TY - JOUR T1 - On the Errors in the Course of Vessels, Occasioned by Local Attraction; With Some Remarks on the Recent Loss of His Majesty's Ship Thetis JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 121 SP - 215 EP - 221 PY - 1831/01/01/ UR - http://dx.doi.org/10.1098/rstl.1831.0014 M3 - doi:10.1098/rstl.1831.0014 AU - Barlow, P. ER -