ON ARGON AND ITS COMPANIONS. 
75 
Liquefaction of Argon in Liquid Air. 
Argon D = 19'9 5. 
Volume of 
gas 
uncondensed. 
Temp. 
Pressure. 
Volume at 
N.P.T. 
Volume 
condensed. 
Volume of 
licpiid. 
.'Weight of 
1 cub. 
centim. 
1 
12-44 
o 
15-5 
840-2 
13-01 
23-08 
0 - 03390 
1-211 
2 
10-62 
15-2 
831-8 
11-01 
25-08 
0-03674 
1-214 
3 
.5-43 
15-3 
816-0 
5 - 52 
30-57 
0-04474 
1-215 
4 
5-37 
15-4 
815-7 
5-46 
30 - 63 
0 - 04508 
1-208 
5 
5-08 
15-6 
815-4 
5-16 
30 - 93 
0-04542 
1-211 
6 
5-61 
15-6 
818-6 
5-72 
30 - 37 
0-04461 
1-211 
Mean ^ 
Nmight of 1 cu 
b. centim. ; 1 
-212 gramme 
The temperature was about 88° ahs., the boiling-point of argon at 760 milli}ns. 
being 86'9° abs. 
Liquefaction of Krypton in Ethylene, cooled lielow its }3oiling-poi]it by being 
surrounded by Liquid Air. 
Krypton D = 4078. 
Volume of 
gas 
luicondensed. 
Temp. 
Pressure. 
Volume at 
N.P.T. 
Volume 
condensed. 
Volume of 
licpiid. 
Weight of 
1 cub. 
centim. 
j 
1 
20-58 
o 
12-8 
1298-0 
33-57 
16-46 
0-02820 
2-126 
2 
20-99 
1299-7 
34-29 
15-74 
0-02724 
2-115 
3 
21-93 
n 
1302-3 
35-90 
14-13 
0-024.34 
2-115 
4 
19-46 
1295'! 
31-68 
18-35 
0-03044 
2-196 
5 
20-22 
n 
1296-4 
32 - 95 
17-08 
0-02841 
2-190 
6 
20-52 
1297-9 
33-48 
16-55 
0-02773 
2-174 
7 
20-75 
1298-3 
33-88 
16-17 
0-02705 
2-177 
8 
21-05 
1299-8 
34-39 
15-64 
0-02625 
2-170 
9 
21-28 
5 1 
1300-2 
34-74 
15-25 
0-02569 
2-162 
10 
21-78 
1.302-2 
35 - 80 
14-23 
0-02434 
2-130 
1 
IMean i 
veight of 1 Cl 
lb. centim. : 2-155 gi-amme 
s 
The temperature rvas about 127° abs., the boiling-point at 760 millims. being 
121-3° abs. 
L 
9 
