ON THE DENSITY OF STEAM AT DIFEEEENT TEMPEKATUEES. 
197 
Experiment 5. — Globe C. Thermometer A, December 10, 1858. 
Weight of water in globe 29T45 grains. 
Time. 
Thermometer. 
Cathetometer. 
Difference 
of level of 
columns. 
Remarks. 
In steam. 
In oil. 
Inner column. 
Outer column. 
i h m 
O 
O 
inches. 
inches. 
inches. 
i i 
LamjJS lighted. 
1 0 2 d 
273-2 
300 
32-22 
20-18 
12 04 
6 8 
268 
290 
28-87 
21-32 
7-55 
6 14 
268 
289 
28-35 
21-41 
7-14 
i 
j 
6 20 
268 
288 
28-86 
21-34 
7-52 
i 
6 43 
264 
286 
26-60 
22-10 
4-50 
! 
6 35 
262 
284 
26-04 
22-29 
3-75 
7 0 
262 
284 
26-11 
22-27 
3-84 
1 
j 
7 8 
260 
283 
i 
7 15 
260 
285 
25-48 
22-44 
3-04 
j 
7 25 
260 
288 
25-35 
22-42 
3-13 
1 
7 42 
256 
293 
24-77 
22-68 
2-09 
1 
7 55 
256 
293 
24-51 
22-62 
1-89 
j 
9 0 
273-2 
315 
32-31 
20-08 
12 23 
9 7 
270 
315 
29*73 
20-99 
8-74 
9 12 
268 
315 
28-41 
21-39 
7-02 
9 16 
266 
315 
27-56 
- 21-72 
5-84 
9 22 
264 
310 
26-51 
22-06 
4-45 
i 9 26 
262 
308 
25-82 
22-27 
3-55 
9 33 
260 
• 25-40 
22-4t) 
3-00 
9 38 
260 
23-67 
22-32 
3-53 
1 
, 9 58 
264 
26-80 
21-95 
4-83 
i 
10 10 
266 
300 
27-80 
21-55 
6-25 
10 15 
266 
27-64 
21-62 
6-02 
j 
; 10 30 
268 
297 
28-86 
21-22 
7-64 
10 35 
268 
28-86 
21-29 
7-57 
1 
11 7 
273-2 
310 
1 
32-35 
19-94 
12-41 j 1 
Summary of Column Determinations. 
Mercurial 
thermo- 
meter, 
Fahr. 
Catheto- 
meter, 
inner 
column. 
Difference 
of level of 
columns. 
Number 
of deter- 
minations 
averaged. 
Tempera- 
ture, 
corrected 
for 
pressure. 
Capacity 
of globe, 
in grains 
of water 
at 39°"1. 
Difference 
of level of 
columns, 
corrected 
to 32°. 
Rise 
of column 
from 
point of 
maximum 
descent. 
Pressure 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. 
256 
inches. 
24-64 
inches. 
1-99 
2 
255-61 
18876-0 
inches. 
1-95 
inches. 
67-03 
67-03 
649-24 
260 
25-32 
3-18 
4 
259-56 
18834-4 
3-12 
1-17 
71-71 
70-54 
647-82 
262 
23-99 
3-71 
3 
261-53 
18814-1 
3-63 
1-68 
74-09 
72-41 
647-65 
264 
26-63 
4-60 
3 
263-50 
18781-9 
4-30 
2*33 
76-64 
74-09 
646-08 
268 
28-73 
7-40 
6 
267-45 
18666-3 
7-23 
5-28 
81-84 
75-56 
642-12 
270 
29-73 
8-74 
1 
269-41 
18612-6 
8-54 
6-59 
84-53 
77-94 
640-28 
273-2 
32-29 
12-23 
3 
272-56 
18473-1 
11-95 
10-00 
89-01 
79-01 
633-59 
