TY - JOUR T1 - A Second Appendix to the Improved Solution of a Problem in Physical Astronomy, Inserted in the Philosophical Transactions for the Year 1798, Containing Some Further Remarks, and Improved Formulae for Computing the Coefficients A and B; By Which the Arithmetical Work is Considerably Shortened and Facilitated. By the Rev. John Hellins, B. D. F. R. S. and Vicar of Potter's Pury, in Northamptonshire JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 90 SP - 86 EP - 97 PY - 1800/01/01/ UR - http://dx.doi.org/10.1098/rstl.1800.0006 M3 - doi:10.1098/rstl.1800.0006 AU - Hellins, J. ER -