TY - JOUR T1 - On Magnetic Circuits in Dynamo- and Magneto-Electric Machines. No. 2 JF - Proceedings of the Royal Society of London (1854-1905) VL - 30 SP - 287 EP - 293 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0117 M3 - doi:10.1098/rspl.1879.0117 AU - Elphinstone, L. AU - Vincent, C. ER -