Dalton, John. See vol. iv., p. 40.
"On the Absorption of Gases by Water," read before the Literary and Philosophical Society of Manchester, October 21, 1803. This was published in 1805, and contains the atomic weight of twenty-one substances, some of which were probably added, or corrected, between the date of the first reading and the publication.
Davy, Sir Humphry. See vol. iv., pp. 48, 209.
"Some Chemical Agencies of Electricity," in Phil. Trans, for 1806, vol. viii. Researches, Chemical and Philosophical, chiefly concerning Nitrous Oxide or De-phlogisticated Nitrous Air and its Respiration, London, 1800.
Dewar, James. See vol. v., p. 39.
"Solid Hydrogen," in Proc. Roy. Inst, for 1900. "The Nadir of Temperature and Allied Problems " (Bakerian Lecture), Proc. Roy. Soc, 1901.
Dufay, Cisternay. See vol. ii., p. 267.
Histoire de l'Académie Royale des Sciences, between 1733 and 1737, contains Dufay's principal papers.
Eulbr, Leonard (1707-1783). See vol. iii., p. 17.
Lettres a une Princesse d'Allemagne sur quelques sujets de physique et de philosophie, St. Petersburg, 1768.