TY - JOUR T1 - An Account of a Work JF - Philosophical Transactions (1683-1775) VL - 52 SP - 495 EP - 506 PY - 1761/01/01/ UR - http://dx.doi.org/10.1098/rstl.1761.0081 M3 - doi:10.1098/rstl.1761.0081 AU - Hudson, W. ER -