142 
PROFESSORS W. RAMSAY AND S. YOUNG 
Temperature. 
Volume of 1 grm. 
Specific gravity. 
(Weight of 1 c.c.) 
' 1 
Pressure. 
O 
c.cs. 
mms. 
120 
, , 
1,681Y 
1,683 1 
1,684 f 
1,684 J 
Mean vap.-press. 
= 1,683 
1'4028 
0-7129 
1,684 
1-3961 
18,540 
1-3894 
35,000 
1-3833 
.. 
53,490 
130 
2,-292'| 
2,293 1 
2,291 f 
2,302 J 
Mean vap.-press. 
= 2,295 
1-4292 
0-6997 
2,300 
1-4231 
12,300 
1-4163 
26,100 
1-4097 
40,290 
1-4031 
54,680 
140 
.. 
3,077-1 
3,071 1 
3,076 f 
3,072 J 
Mean vap.-press. 
= 3,074 
1-4572 
1,160 
1-4546 
0-6875 
3,074 
1-4505 
7,305 
1-4439 
20,190 
1-4371 
33,430 
1-4303 
48,270 
150 
4,053-1 
4,062 1 
4,067 f 
' 
4,054 J 
Mean vap.-press. 
= 4,059 
1-4835 
0-6741 
4,022 
1-4775 
11,250 
1-4708 
23,010 
1-4642 
35,230 
1-4576 
44,690 
160 
5,270^ 
i 
1 
5,257 1 
5,272 f 
5,259 J 
Mean vap.-press. 
= 5,264 
1-5144 
0-6603 
5,294 
