TY - JOUR T1 - On the Attractions of an Extensive Class of Spheroids JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 102 SP - 46 EP - 82 PY - 1812/01/01/ UR - http://dx.doi.org/10.1098/rstl.1812.0004 M3 - doi:10.1098/rstl.1812.0004 AU - Ivory, J. ER -