TY - JOUR T1 - Advertisement Concerning the Quantity of a Degree of a Great Circle, in English Measures JF - Philosophical Transactions (1665-1678) VL - 11 SP - 636 EP - 637 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1676.0018 M3 - doi:10.1098/rstl.1676.0018 ER -