1236 
sure. On the p,f-curves thus found, we interpolated the pressures at 
definite temperatures and construed from these the p,a-curves. 
The 
tensimetrical method has the great advantage, that the mixtures 
come into contact with no other substance than mercury, the appa- 
; TABLE 2. Concentration in mol.proc. methylalcohol. 
YT 
4.66 0/, 11.72 9/0 19.43 0/, 26.4 0/, 30.66 Jo 52.9 9/9 | 72.17 Io | 90.3 J 
t P t P t P t ? t P t ? t P t p 
17.8°, 339 mm] 34.4°) 669 mm] 39.9°) 828 mm] 40.2°) 841 mm] 39.8°/ 826 mm] 37.7°) 759 mm} 17.2°| 333 mm] 0° 128 mm 
21.0 | 388 38.2 | 767 43.2 | 936 41.0 | 865 41.2 | 877 38.6 | 792 22.6 | 416 14.3 | 240 
23.1 | 422 41.5 | 874 46.8 |1072 43.4 | 944 42.5 | 915 38.8 | 799 27.4 | 507 18.6 | 289 
23.9 | 438 41.9 | 883 50.0 (1193 45.8 |1031 44.0 | 966 40.0 | 835 32.8 | 626 19.0 | 291 
28.8 | 536 46.1 |1033 48.3 |1128 46.0 (1037 42.0 | 896 39.2 | 790 19.4 | 296 
34.8 | 672 50.2 |1190 49.6 1178 46.8 (1073 43,2 | 943 44.9 | 975 27.2 | 405 
38.1. "167 47.4 |1090 43.6 | 954 45.1 | 979 27.8 | 416 
44.4 | 959 | 47.9 1106 45.0 |1001 50.0 (1168 34.0 | 526 
48.2 |1092 49.6 |1179 47.0 |1075 39.2 | 639 
50.4 (1176 50.0 (1196 45.4 | 798 
52.4 (1259 51.3 | 976 
54.6 | 1097 
| 58.3 | 1238 
