Leslie, Inquiry into the Nature of Heat, p. 10.

Jevons, Watts’ Dictionary of Chemistry, vol. i. pp. 513–515.

Philosophical Transactions, vol. li. p. 100.

Philosophical Magazine, 3rd Series, vol. xxvi. p. 372.

Greenwich Observations for 1866, p. xlix.

Philosophical Transactions, 1856, p. 309.

Penny Cyclopædia, art. Transit, vol. xxv. pp. 129, 130.

Ibid. art. Observation, p. 390.

Nature, vol. i. p. 85.

Nature, vol. i. p 337. See references to the Memoirs describing the method.

Principia, Book I. Law III. Corollary VI. Scholium. Motte’s translation, vol. i. p. 33.

Graham’s Chemical Reports and Memoirs, Cavendish Society, pp. 247, 268, &c.

Regnault’s Cours Elémentaire de Chimie, 1851, vol i. p. 141.

Tyndall’s Faraday, pp. 114, 115.

See, for instance, the Compensated Sympiesometer, Philosophical Magazine, 4th Series, vol. xxxix. p. 371.