TY - JOUR T1 - A Letter from the Rev. Mr. Joseph Betts, M. A. and Fellow of University College, Oxon to Martin Folkes, Esq; Pr. R. S. Containing Observations on the Late Comet, Made at Sherborn and Oxford; With the Elements for Computing Its Motions JF - Philosophical Transactions (1683-1775) VL - 43 SP - 91 EP - 100 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1744.0029 M3 - doi:10.1098/rstl.1744.0029 AU - Betts, J. ER -