TY - JOUR T1 - On the Curvature of the Indian Arc. JF - Proceedings of the Royal Society of London (1854-1905) VL - 10 SP - 197 EP - 199 PY - 1859/01/01/ UR - http://dx.doi.org/10.1098/rspl.1859.0041 M3 - doi:10.1098/rspl.1859.0041 AU - Pratt, J. ER -