CONTENTS. 



Introduction-, 



PAGE 



1 



Compressibility of Water, Glass, and Mercury — 



I. General Account of the Investigation, ..... 



II. Some former Determinations, ...... 



III. The Piezometers — Beckoning of Log. Factors — Compressibility of Mercury, 



IV. Amagat's Manometre a Pistons Libres, ..... 

 V. Compressibility of Glass, ....... 



VI. Resume 1 of my own Experiments on Compression of Water and of Sea- Water, 



VII. Final Kesults and Empirical Formulae for Fresh Water, . 



VIII. Seductions, Results, and Formulae for Sea- Water, 



IX. Compressibility, Expansibility, &c, of Solutions of Common Salt, 



3 



7 

 15 

 20 

 23 

 26 

 31 

 39 

 43 



Associated Physical Questions — 



X. Theoretical Speculations, ...... 



XL Equilibrium of a Vertical Column of Water, 

 XII. Change of Temperature produced by Compression, 

 XIII. Effect of Pressure on the Maximum-Density Point, 



Summary of Results, ....... 



Appendix A. On an Improved Method of measuring Compressibility, 

 P>. Relation between True and Average Compressibility, . 



C. Calculation of Log. Factors, ..... 



D. Xote on the Correction for the Compressibility of the Piezometer, 



E. On the Relations between Liquid and Vapour, . 



F. The Molecular Pressure in a Liquid, .... 



G. Equilibrium of a Column of Water, . . . . 



47 

 50 

 51 

 55 



61 



63 

 65 

 66 

 67 

 68 

 74 

 75 



