TY - JOUR T1 - On the Amplitude of Sound-Waves JF - Proceedings of the Royal Society of London (1854-1905) VL - 26 SP - 248 EP - 249 PY - 1877/01/01/ UR - http://dx.doi.org/10.1098/rspl.1877.0038 M3 - doi:10.1098/rspl.1877.0038 AU - Rayleigh, L. ER -