TY - JOUR T1 - The Periods of Lateral Vibration of Loaded Shafts. The Rational Derivation of Dunkerley's Empirical Rule for Determining Whirling Speeds JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 95 IS - 666 SP - 106 EP - 115 PY - 1918/10/07/ UR - http://dx.doi.org/10.1098/rspa.1918.0052 M3 - doi:10.1098/rspa.1918.0052 AU - Jeffcott, H. ER -