TY - JOUR T1 - On the Changes in the Dimensions of a Steel Wire When Twisted, and on the Pressure of Distortional Waves in Steel JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 86 IS - 590 SP - 534 EP - 561 PY - 1912/06/27/ UR - http://dx.doi.org/10.1098/rspa.1912.0045 M3 - doi:10.1098/rspa.1912.0045 AU - Poynting, J. ER -