TY - JOUR T1 - A Discourse Concerning a Method of Discovering the True Moment of the Sun's Ingress into the Tropical Signs. By E. Halley JF - Philosophical Transactions (1683-1775) VL - 19 SP - 12 EP - 18 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1695.0003 M3 - doi:10.1098/rstl.1695.0003 AU - Halley, E. ER -