ON THE ADIABATIC RELATIONS OF ETHFL OXIDE. 
179 
Pressure. 
Volume of 
1 grm. 
Wave¬ 
length in 
millims. 
(Velocity 
in centims. 
per second)®. 
Ei 
Q^litli filling. 
Saturated 
vapour. 
Temperature 190° C. 
26,030 
5-577 
6-79 
1-4227 Xl0« 
26,026 
4-830 
6-75 
1-4060 
Temperature 193-8° 
C. 
27,538 
5-577 
! 6-35 
1-2433 X 108 
27,595 
4-830 
6-26 
1-2092 
27,595 
4-383 
6-09 
1-1445 
27,595 
4-088 
6-23 
1-1977 
27,646 
3-798 
6-22 
1-1938 
27,584 
3-508 
636 
1-2482 
27,584 
3-217 
6-55 
1-2938 
27,674 
2-929 
6-63 
1-3564 
27,758 
2-929 
7-07 
1-5424 
28,291 
2-785 
8-50 
2-2295 
29,722 
2-641 
10-45 
3-3699 
Temperature 195-15° 
C. 
27,949 
5-577 
6-48 
1 -2957 X108 
28,147 
4-830 
6-13 
1-1452 
28,233 
4-383 
5-95 
1-0925 
28,258 
4-088 
5-85 
1-0561 
28,288 
3-798 
5-60 
0-9677 i 
28,389 
3-508 
5-47 
0-9-233 
1 
Temperature 193-8° C. 
27,441 
5-577 
6-35 
1-2443 X 108 
27,605 
4-830 
6-37 
1-2521 
27,553 
4-383 
6-27 
1-2131 
27,553 
4-088 
6-21 
1-1900 
27,553 
3-798 
6-41 
] -2679 
Liquid. 
27,5.53 
3-798 
6-08 
1-1407x108 
27,553 
3-508 
6-25 
1-2054 
27,553 
3-217 
6-31 
1-2287 
27,580 
2-929 
6-65 
1-3646 1 
27,627 
2-856 
6-75 
1-4060 1 
27,958 
2-785 
7-93 
1-9405 ; 
28,415 
2-713 
8-22 
2-0850 i 
28,817 
2-641 
9-15 
2-5835 
! 29,702 
2-584 
10-06 
3-1230 
Pressure. 
Volume of 
1 grm. 
Wave¬ 
length in 
millims. 
(Velocity 
in centims. 
per second)®. 
1 
1 
1 
Temperature 195-15° 
C. 
; 27,888 
5-577 
6-49 
1 2997 X108 
i 28,140 
4-830 
6-38 
1-2561 
28,166 
4-383 
6-19 
1-1824 
28,195 
4-088 
6-02 
1-1183 
28,206 
3-798 
5-44 
0-9132 
28,222 
3-508 
5-26 
0-8538 
28,275 
3-362 
28,337 
3-217 
28,598 
3-073 
28,857 
2 9-29 
29,253 
2-856 
29,679 
2-785 
30,358 
2-713 
Tempei-ature 195-15° 
C. 
28,235 
3-362 
5-24 
0-8173x108 
28,278 
3-217 
5-57 
0 9574 
28,337 
3-073 
5-80 
1-0381 
28,598 
2-929 
6-99 
1-5078 
28,857 
2-856 
7-62 
1-7918 
29,253 
2-785 
8-54 
2-2506 
29,679 
2-713 
8-70 
2-3357 
30,358 
2-641 
9-72 
2-9155 
Temperature 195-15° 
C. 
27,968 
5-577 
6-45 
1-2838x108 
28,137 
4-830 
6-07 
1-1370 
28,165 
4-383 
5-92 
1-0815 
28,207 
4-088 
5-72 
1 0096 
28,223 
3-798 
5-49 
0-9301 
28,223 
3-508 
5-18 
0-8280 
28,311 
3-217 
5-42 
0-9065 
28,625 
2-929 
7-06 
1-5380 
28,892 
2-856 
7-51 
1-7404 
29,158 
2-785 
8-50 
2-2295 
29,649 
2-713 
8-97 
2-4829 
30,225 
2,641 
9-91 
3-0305 
Temperature 200° C. 
29,432 
5-577 
6-82 
1-4353 X 108 
29,870 
4-830 
6-39 
1-2600 
29,964 
4-383 
6-26 
1-2092 
30,258 
4-088 
6-16 
1-1709 
30,355 
3-798 
6-13 
1-1596 
30,457 
3-508 
6-39 
1-2600 1 
30,823 
3-217 
7-00 
1-5121 
From these observations a set of isothermal curves was constructed, where was 
plotted against volume (see fig. 4). The results are not veiy concordant; some 
2 A 2 
