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

Philosophical Magazine, 1851, 4th Series, vol. ii. passim.

Hearn, Philosophical Transactions, 1847, vol. cxxxvii. pp. 217–221.

The Correlation of Physical Forces, 3rd ed. p. 159.

Collected Works of Sir H. Davy, vol. ii. pp. 12–14. Elements of Chemical Philosophy, p. 94.

Nicholson’s Journal, vol. i. p. 241; quoted in Treatise on Heat, Useful Knowledge Society, p. 24.

Clerk Maxwell, Theory of Heat, p. 228. Proceedings of the Manchester Philosophical Society, Nov. 26, 1867, vol. vii. p. 35.