A LIST OF SOURCES 



His De la nature dc Vair, containing his statement of the 

 law connecting the volume and pressure of a gas, is 

 contained in the second essay. 



NEWTON, SIR ISAAC. See vol. ii., p. 241. 



Philosophise naturalis principia mathematica, com- 

 pleted in July of 1687. The first edition was exhausted 

 in a few months. There are several translations, among 

 others one by Andrew Motte, New York, 1848. 



PARACELSUS. See vol. ii., p. 159. 



The Hermetic and Alchemical Writings of Paracelsus, 

 trans, by A. E. Waite, 2 vols., London, 1894. 

 PASCAL, BLAISE. See vol. ii., p. 122. 



Recit de la grande experience de Vequilibre de liqueurs, 

 Paris, 1648. 



SAWTREE, JOHN. See vol. ii., p. 124 ff. 



Of the Philosopher's Stone, London, 1652. 

 SWAMMERDAM, JOHN. See vol. ii., p. 297. 



Bibel der Natur, trans, into German, Leipzig, 1752. 

 SYDENHAM, THOMAS. See vol. ii., p. 189. 



His first work, Methodus curandi febres, was pub- 

 lished in 1666. His last work, Processus integri, ap- 

 peared in 1692. His complete works, in Latin, were 

 published by the Sydenham Society, London, 1844, 

 which published also an English translation by Dr. R. G. 

 Latham in 1848. There are several other English trans- 

 lations. 



TORRICELLI, EVANGELISTA. See Vol. ii., p. 120. 



Opera geometrica, Florence, 1644. 

 TYCHO BRAKE. See vol. ii., p. 65. 



De mundi aether ei recentioribus phanomenis, Prague, 

 1603. This has been trans, into German by M. Bruns, 

 Karlsruhe, 1894. 



VINCI, LEONARDO DA. See vol. ii., p. 47. 



Leonardo da Vinci, Artist, Thinker, and Man of Science, 

 by Eugene Muntz, 2 vols., New York, 1892, is perhaps 

 the most complete treatment of all phases of Leonardo's 



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