[228] Théorie Analytique de la Chaleur, Paris; 1822, §§ 157–162.

[229] Tyndall’s Sound, 1st ed. p. 26.

[230] British Association, Cambridge, 1833. Report, pp. 484–490.

[231] Smithsonian Miscellaneous Collections, vol. xii., the Constants of Nature, part. i. Specific gravities compiled by F. W. Clarke, 8vo. Washington, 1873.

[232] J. W. L. Glaisher, Philosophical Magazine, 4th Series, vol. xlii. p. 421.

[233] Stokes, Philosophical Transactions (1852), vol. cxlii. p. 529.

[234] Admiralty Manual of Scientific Enquiry, 2nd ed. p. 299.

[235] Pouillet, Taylor’s Scientific Memoirs, vol. iv. p. 45.

[236] Baily’s Account of the Rev. John Flamsteed, p. 58.

[237] Jamin, Cours de Physique, vol. ii. pp. 15–28.