TY - JOUR T1 - The State of the Tides in Orkney; By Mr. Murdoch Mackenzie JF - Philosophical Transactions (1683-1775) VL - 46 SP - 149 EP - 160 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1749.0029 M3 - doi:10.1098/rstl.1749.0029 AU - Mackenzie, M. ER -