TY - JOUR T1 - An Extract of a Letter from Senior Ciampini, to Dr. Croon, concerning a Late Comet Seen at Rome JF - Philosophical Transactions (1683-1775) VL - 15 SP - 920 EP - 921 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1685.0018 M3 - doi:10.1098/rstl.1685.0018 AU - Ciampini, S. ER -