On the resultant of a large number of vibrations of the same pitch and of arbitrary phase by John William Strutt, 3rd Baron Rayleigh (1880 print publication; 2009 online publication)

By John William Strutt, 3rd Baron Rayleigh, credited as Lord Rayleigh. Philosophical Magazine, Series 5, 10(60), 73–78 (August 1880). The manuscript ends June 1880; 28 April 2009 is the publisher online date.

DOI: doi.org/10.1080/14786448008626893

Inspected transcription: www.scribd.com/document/472852365/Rayleigh1880

Cited passages: pp. 73–74, expected intensity; pp. 75–77, planar construction and polar integration; pp. 77–78, unequal component amplitudes. The argument concerns large numbers of components.