MaiicJicstcr Mcuwirs, Vol. xliv. (1900), No. 7. 



5 



Kclvinf as rei^ards ice and water for pressures up to 

 16 atmospheres, and M. A. Mouss(jn-|"f- verified the 

 hypothesis down to a temperature of iS^C, but the 

 latter's estimate of a pressure of 87 tons per square inch 

 is clearly much too high, for his experimental tube could 

 not have stood it. Bunsen,§ Hopkins,§§ and others of 

 more recent date, extended the enquiry to other sub- 



Table II. 



MELTING TEMPERATURES AT VARIOUS PRESSURES. 



stances. Amongst recent experiments which fitly 

 illustrate the matter, may be mentioned those by M. E. 

 Mackll on naphthylamine and paratoluidine for which the 

 experimental results are given in Tad/e II. and in Fig. /., 

 from which it will be seen that whereas there is a differ- 



tW. Thomson, Phil. Mag., Vol. 37 (1850), p. 123. 

 ■\-\rogg. Ann., Bd. 105 (1S5S), p. 161. 



llbiJ, Bd. 81 (1S50), p. 562. 

 %%Athenccum, 1854, p. 1 207. 



\Comptes Rendus, Tome 127 {1898), p. 361. 



