TY - JOUR T1 - Some Remarks on a Late Essay of Mr. Cassini, Wherein He Proposes to Find, by Observation, the Parallax and Magnitude of Sirius, By Edmund Halley, LL. D. R. S. S. JF - Philosophical Transactions (1683-1775) VL - 31 SP - 1 EP - 4 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1720.0002 M3 - doi:10.1098/rstl.1720.0002 AU - Halley, E. ER -