TY - JOUR T1 - On Some Figures Exhibiting the Motion of Vibrating Bodies, and on a New Method for Determining the Speed of Machines JF - Proceedings of the Royal Society of London (1854-1905) VL - 26 SP - 157 EP - 163 PY - 1877/01/01/ UR - http://dx.doi.org/10.1098/rspl.1877.0025 M3 - doi:10.1098/rspl.1877.0025 AU - M'Leod, H. AU - Clarke, G. ER -