TY - JOUR T1 - Extracts of Two Letters Written from Darby, Novemb. 21. and Decemb 2. 1671. by Mr. John Flamstead to the Publisher, Touching Some Late Appearances of Saturn JF - Philosophical Transactions (1665-1678) VL - 6 SP - 3034 EP - 3034 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1671.0062 M3 - doi:10.1098/rstl.1671.0062 AU - Flamstead, J. ER -