OF STEAM AT DIFFERENT TEMPERATURES. 
193 
Experiment 1. — Globe C. Thermometer A. March 8, 1859. 
Weight of water introduced =20T26 grains. 
i 
1 Time. 
Thermometer. 
Cathetometer. 
Difference 
of level of 
columns. 
Kcmarkf. 
In steam. 
In oil. 
Inner column. 
Outer column. 
; h m 
inches. 
inches. 
inches. 
i 
i 2 23 
253 
264 
29-44 
19-66 
9-78 
1 
! 2 30 
253 
29-45 
19-69 
9-76 
i 
2 40 
253 
29-45 
19-62 
9-83 
j 
i 2 45 
253 
29-47 
19-64 
9-83 
i 
1 2 50 
253 
29-45 
19-66 
9-79 
; 2 55 
253 
29-48 
19-69 
9-79 
; 3 18 
251 
262 
28-13 
20-24 
7-89 
i 3 22 
251 
28-10 
20-26 
7-84 
1 3 26 
251 
28-00 
20-18 
7-82 
3 30 
251 
28-16 
20-15 
8-01 
; 3 37 
251 
264 
28-17 
20-16 
8-01 
3 42 
251 
28-19 
20-13 
8-06 
4 0 
249 
260 
26-72 
20-63 
6-09 
4 12 
249 
26-58 
20-68 
5-90 
4 17 
249 
26-59 
20-63 
' 6-96 
4 21 
249 
259 
26-72 
20-54 
6-18 
4 25 
249 
26-60 
20-53 
6-07 
4 30 
249 
26-58 
20-59 
5-99 
4 55 
246 
258 
24-62 
21-24 
3-38 
5 3 
246 
24-70 
21-16 
3-54 
Steam began to condense in globe-stem 
5 20 
246 
264 
24-61 
21-24 
3-37 
at S'" 10“'. 
5 23 
246 
24-77 
21-19 
3-58 
5 26 
246 
24-75 
21-22 
3-53 
5 32 
244 
280 
23-71 
21-57 
2-14 
1 
5 38 
244 
23-62 
21-60 
2-02 
5 42 
244 
23-46 
21-60 
1-86 
, 5 46 
244 
23-58 
21-52 
2-06 
; 5 50 
244 
282 
23-70 
21-53 
2-17 
6 10 
243 
282 
23-36 
21-67 
1-69 
1 6 12 
243 
23-30 
21-69 
1-61 
' 6 15 
243 
23-30 
21-68 
1-62 
i 6 17 
243 
23-38 
21-64 
1-74 
! 6 20 
243 
23-31 
21-65 
1-66 
' 6 26 
242 
280 
23-20 
21-69 
1-51 
! 6 30 
242 
23-14 
21-70 
1-44 
6 35 
242 

2.3-10 
21-72 
1-38 
6 40 
242 
22-97 
21-75 
1-22 
6 45 
242 
23-11 
21-68 
1-43 
6 50 
242 
268 
2.3-16 
21-68 
1-48 
6 55 
240 
268 
22-99 
21-72 
1-27 
7 0 
240 

22-99 
21-72 
1-24 
Condensation visible in globe-stem. 
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 vrater 
at 3d° l. 
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. 
j 240 
inches. 
22-99 
inches. 
1-26 
2 
239-79 
18938-2 
inches. 
1-24 
inches. 
49-43 
49-43 
943-12 
242 
23-11 
1-41 
6 
241-76 
18929-8 
1-38 
0-14 
52-53 
52-39 
942-72 
243 
23-33 
1-67 
5 
242-75 
18922-4 
1-64 
0-40 
53-47 
53-07 
942-32 
244 
23-62 
2-05 
6 
243-74 
18908-9 
2-01 
0-77 
54-43 
53-66 
941-67 
246 
24-69 
3-48 
5 
245-72 
18857-4 
3-41 
2-17 
56-38 
54-21 
939-11 
249 
26-63 
6-03 
6 
248-69 
18771-4 
5-90 
4-66 
59-42 
54-76 
934-86 
251 
28-12 
7-93 
6 
250-67 
18681-3 
7-76 
6-52 
61-52 
55-00 
930-41 
253 
29-46 
9-80 
6 
252-65 
18609-8 
9-59 
8-35 
63-68 
55-33 
926-91 
MDCCCLX. 2 D 
