TY - JOUR T1 - Answer to Some Magnetical Inquiries, Proposed Numb. 23. of These Transactions, Pag. 423, 424 JF - Philosophical Transactions (1665-1678) VL - 2 SP - 478 EP - 479 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1666.0024 M3 - doi:10.1098/rstl.1666.0024 ER -