Experiment 12. — Globe B. Thermometer A. March 24, 1859. 
Weight of water introduced =41 ’87 7 grains. 
Time. 
Thermometer. 
Cathetometer. 
Difference 
of level of 
columns. 
Eemarks. 
In steam. 
In oil. 
Inner column. 
Outer column. 
h m 
inches. 
inches. 
inches. 
3 36 
295 
325 
30-94 
20-84 
10-10 
Lamps lighted at 12 o'clock. 
3 40 
295 
31-02 
20-81 
10-21 
3 45 
295 
31-03 
20-77 
10-26 
3 48 
295 
30-91 
20-84 
10-07 
3 51 
295 
30-91 
20-89 
10-02 
3 54 
295 
30-96 
20-87 
10-09 
4 35 
295 
320 
31-02 
20-81 
10-21 
4 0 
291 
320 
27-00 
22-22 
4-78 
4 8 
291 
27-03 
22-23 
4-80 
4 50 
291 
26-95 
22-20 
4-75 
4 55 
291 
27-03 
22-22 
4-81 
4 57 
291 
27-00 
22-17 
4-83 
\ 
5 5 
290 
26-40 
22-43 
3-97 
' 
5 10 
290 
26-42 
22-44 
3-98 
5 12 
290 
26-40 
22-39 
4-01 
1 
1 
5 25 
287 
25-00 
22-84 
2 16 
i 
5 26 
287 
25-04 
22-87 
2-17 
i 
1 
5 28 
287 
24-89 
22-90 
1-99 
5 30 
287 
25-00 
22-83 
2-17 
5 35 
285 
24-55 
22-89 
1-66 
5 40 
285 
24-62 
22-93 
1-69 
5 42 
285 
24-66 
22-98 
1-68 
5 43 
285 
24-67 
23-01 
1-66 
5 45 
285 
24-58 
23-02 
1-56 
5 50 
283 
24-39 
23-07 
1-32 
5 53 
283 
24-43 
2.3-10 
1-33 
j 
5 55 
283 
24-50 
23-06 
1-44 
1 
5 57 
283 
24-51 
23-06 
1-45 
6 0 
281 
24-36 
23-09 
1-27 
, 
6 3 
281 
24-38 
23-11 
1-27 
6 5 
281 
24-33 
23-11 
\*22 
6 36 
293 
29-56 
21-40 
8-16 
6 38 
293 
29-62 
21-43 
8-19 
6 40 
293 
29-51 
21-40 
8-11 
j 6 45 
293 
29-52 
21-41 
8-11 
Summary of Column Determinations. 
Thermo- 
meter, 
Fahr. 
Catheto- 
meter, 
inner 
column. 
Difference 
of level of 
columns. 
Number 
of deter- 
minations 
averaged. 
• 
Tempe- 
ratiu-e, 
corrected 
for 
pressure. 
Capacitj, 
in grains 
of water 
at 39"- 1. 
Difference 
of level 
of columns, 
corrected 
to 32°. 
Rise of 
column 
from 
point of 
masimum 
descent. 
Pressure of 
saturated 
steam, in 
inches 
of mercurv. 
Pressure of 
steam in 
globe, 
in inches 
of mercury. 
Specific 
volume of ! 
steam in j 
globe, j 
eori-eoteii i 
for ex- 
pansion of 
glass. 
inches. 
inches. 
inches. 
inches. 
281 
24-36 
1-26 
3 
280-24 
19150-0 
1-23 
100-73 
100-73 
458-30 
283 
24-46 
1-39 
4 
282-20 
19144-9 
1-36 
0-13 
103-91 
103-78 
458-44 
285 
24-61 
1-65 
5 
284-16 
19137-2 
1-62 
0-39 
107-17 
106-78 
458-25 
287 
24-98 
2-12 
4 
286-13 
19118-1 
2-08 
0-85 
110-53 
109-68 
457-79 
290 
26-40 
3-98 
3 
289-07 
19045-1 
3-88 
2-65 
115-70 
113-05 
456-10 
291 
27-00 
4-79 
6 
290-05 
19014-2 
4-67 
3-44 
117-47 
114-03 
455-34 
293 
29-55 
8-14 
4 
292-02 
18872-3 
7-94 
6-71 
121-11 
114-40 
451-95 j 
295 
30-97 
10-14 
6 
293-97 
18780-3 
9-88 
8-65 
124-75 
116-10 
449-72 
