OxY THE DENSITY OF STEAM AT DIFFEEENT TEMPEEATUEES. 
205 
Experiment 13. — Globe A. Thermometer B. October 19, 1869. 
Weight of water introduced =42 680 grains. 
Time. 
Thermometer. 
Cathetometer. 
Difference 
of level of 
columns. 
Remarks. 
In steam. 
In oil. 
Inner column. 
Outer column. 
h m 
inches. 
inches. 
inches. 
1 33 
302 
339 
23-27 
12-86 
10-41 
1 35 
302 
23-22 
12-86 
10-36 
1 37 
302 
23-26 
12-86 
10-40 
1 42 
302 
336 
23-25 
12-83 
10-42 
1 53 
299 
329 
19-97 
13-91 
6-06 
1 57 
299 
19-98 
13-85 
6-13 
2 0 
299 
19-93 
13-84 
6-09 
2 5 
299 
330 
19-96 
13-85 
6-11 
j 
2 8 
299 
19-89 
13-83 
6-06 
i 
2 10 
299 
19-94 
13-85 
6-09 
2 20 
297 
17-94 
14-27 
3-67 
i 
2 25 
297 
18-00 
14-27 
3-73 
; 
2 27 
297 
327 
17-90 
14-25 
3-65 
2 30 
297 
18-03 
14-23 
3-80 
2 35 
297 
17-95 
14-24 
3-71 
2 43 
293 
16-44 
14-72 
1-72 
2 47 
293 
16-44 
14-69 
1-75 
2 49 
293 
16-43 
14-73 
1-70 
2 51 
293 
16-47 
14-72 
1-75 
2 58 
289 
16-39 
14-80 
1-59 
3 0 
289 
16-36 
14-82 
1-54 
3 5 
289 
16-40 
14-82 
1-58 
3 10 
289 
16-39 
14-76 
1-63 
Summary of Column Determinations. 
Thermo- 
meter, 
Fahr. 
Catheto- 
meter, 
inner 
column. 
Difference 
of level of 
columns. 
Number 
of deter- 
minations 
averaged. 
Tempe- 
rature, 
corrected 
for 
pressure. 
Capacity 
of globe, 
in grains 
of water 
at 39°-l. 
Difference 
of level of 
columns, 
corrected 
to 32°. 
Rise of 
column 
from 
point of 
maximum 
descent. 
Pressm-e of 
saturated 
steam, in 
inches of 
mercury. 
Pressure of 
steam in 
globe, 
in inches 
of mercury. 
Specific 
volume of 
steam in 
globe, 
corrected 
for ex- 
pansion of 
glass. 
o 
289 
inches. 
16-39 
inches. 
1-59 
4 
288-25 
18433-8 
inches. 
1-55 
inches. 
114-24 
114-24 
433-12 
293 
16-44 
1-73 
4 
292-19 
18431-8 
1-68 
0-13 
121-40 
121-27 
433-08 
297 
17-96 
3-71 
5 
296-13 
18364-7 
3-60 
2-05 
128-92 
126-87 
431-50 
299 
19-94 
6-09 
6 
298-09 
18268-3 
5-91 
4-36 
132-80 
128-44 
429-28 
302 
23-25 
10-40 
4 
301-03 
18097-1 
10-09 
8-54 
138-78 
130-24 
425-41 
