TY - JOUR T1 - An Answer of the Same to the Author of the Perpetual Motion JF - Philosophical Transactions (1683-1775) VL - 16 SP - 267 EP - 268 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1686.0048 M3 - doi:10.1098/rstl.1686.0048 ER -