TY - JOUR T1 - On the Magnetic Changes of Length in Annealed Rods of Cobalt and Nickel JF - Proceedings of the Royal Society of London (1854-1905) VL - 74 SP - 60 EP - 63 PY - 1904/01/01/ UR - http://dx.doi.org/10.1098/rspl.1904.0081 M3 - doi:10.1098/rspl.1904.0081 AU - Bidwell, S. ER -