[5] Lord Rayleigh, Nature, March 25, 1892.
[6] It does not seem to have been noticed that in Query 22, quoted in the Introduction to the present book, Newton seems to throw out a curious hint in this same direction,—though he immediately abandons it again. He does not appear to have carefully edited his queries; probably they were published posthumously.
[7] On doing the arithmetic, however, I find the necessary concentration absurdly great, showing that such a mass is quite insufficient. (See Appendix [1].)
[8] See Lodge, Philosophical Magazine, April, 1907. Also Appendix [2] below.
[9] Address to Section A of British Association at Montreal, 1884.
[10] Philosophical Magazine, Dec., 1887.
[11] Archives Néerlandaises (1869), Vol. IV, p. 443, or Nature, Vol XXVI, p. 500. Also Chapter [IV] above.
Transcriber's Notes
Obvious punctuation and spelling errors and inconsistent hyphenations have been corrected.