Paper, 'Note on an experiment by [Ernst] Chladni' by Charles Tomlinson Tomlinson writes: 'Lord Rayleigh, in a memoir “On the Circulation of Air in Kundt’s Tubes”, remarks (“Proc. Roy. Soc.,” xxxvi, 10, and “Phil. Trans.,” 1884, Part I, p. 1) that “it was discovered by Savart that very fine powder does not collect itself at the nodal lines, as does sand in the production of Chladni’s figures, but gathers itself into a cloud, which, after hovering for a time, settles itself over the places of maximum vibration.' Annotations in pencil and ink. Subject: Physics Received 14 March 1885. Read 16 April 185. A version of this paper was published in volume 38 of the Proceedings of the Royal Society as 'Note on an experiment by Chladni'. 1885