Table 64. 

 COMPRESSIBILITY AND BULK MODULI OF SOLIDS. 



83 



Solid. 



Crystals : Barite . . 

 Beryl . . 

 fluorspar 

 Pyrites . 

 Quartz 

 Rock salt 

 Sylvine . 

 Topaz . . 

 Tourmaline 



Brass 



Copper 



Delta metal . . . , 



Lead 



Steel , 



Glass 



Compression 



per unit 

 volume per 

 atmo. X 10^. 



1-93 



0.747 

 1.20 

 1. 14 

 2.67 

 4.20* 



7-45* 

 0.61 

 0.1 13 



0.95 

 0.86 

 1.02 

 2.76 

 0.68 

 2.2-2.9 



Authority. 



Voigt 



Amagat 



Buchanan 



Amagat 



Calculated values of bulk 

 modulus in — 



Grammes per 

 sq. cm. 



535 X 106 



1384 " 



860 " 



906 " 



387 " 



246 " 



138 " 



1694 " 



9140 " 



1090 " 



1202 " 



1012 " 



374 " 



1518 " 



405 " 



Pounds per 

 sq. in. 



7.61 X lO* 



19.68 " 



12.24 " 



12.89 " 



5-50 " 



3.50 " 



1.97 " 



24.11 " 



130.10 " 



15.48 " 



17.10 " 



14.41 " 



5-32 " 



21.61 " 



5.76 " 



Note: Winklemann, Schott, and Straulel (Wied Ann 6i, 63, 1897; 68, 1899) give the following coefficients (among 

 others) for various Jena glasses in terms o£ the volume decrease divided by the increase of pressure expressed in kilo- 

 grammes per square millimetre : 



* Rontgen and Schneider by piezometric experiments obtained 5.0 X 10-* for rock salt, and 5.6 X lo" 

 (Wied. Ann., vol. 31). 



' for sylvine 



References to Tables 63 and 64. 



Liquids (Table 63) : 



1 Amagat, Ann. chim. phys. (6) 29, 1893. 



2 Rontgen, Wied. Ann. 44, 1891. 



3 Amagat, C. R. 68, 1869; (5) 28, 1883. 



4 Pagliani-Palazzo, Mem. Acad. Lin. (3) 19, 



1883. 



5 Grimaldi, Zeitschr. Phys. Chem. i, 1887. 



6 de Metz, Wied. Ann. 41, 1890 ; 47, 1892. 



7 Barus, Sill. Joum. 39, 1890; 41, 1891; Bull 



U. S. Geol. Surv. 1892. 



8 Quincke, Wied. Ann. 19, 1893. 



9 Amagat, Ann. chim. phys. (6) 22, 1891. 



10 Aime, Ann. chim. phys. (3) 8, 1843. 



11 Colladon-Sturm, Pogg. Ann. 12, 1828. 



12 Martini. 



13 de Heen, Bull. Acad. Roy. Belg. (3) 9, 1895. 



14 Batelli, Phys. Zeitschr. 28, 29, 1896. 



Solids (Table 64) : 



Amagat, C. R. 108, 1889 ; J. de Phys. (2) 8, 

 1889. 



Buchanan, Proc. Roy. Soc. Edinb. 10, 1880. 

 Voigt, Wied. Ann. 31, 1887; 34, 1888; 36^ 

 1888. 



Smithsonian Tables. 



