DE. J. P. JOULE ON THE SUEEACE-CONDENSATION OF STEAM. 
141 
Table I. 
8. 
9. 
10. 
11. 
12 . 
13. 
14. 
15. 
16. 
17. 
18. 
19. 
Weight of refrigerating 
■srater, in pounds. 
Weight of condensed 
water, in poimds. 
Tempera- 
ture of the 
condensed 
water. 
Total heat 
of steam. 
[Barometer, 
minus 
vacuum- 
gauge, or 
pressure in 
the con- 
denser, in 
inches of 
mercury. 
Pressure 
in the 
condenser 
immedi- 
ately after 
the con- 
clusion of 
the experi- 
ment. 
Tempera- 
ture due to 
the ]3res- 
sure in the 
condenser 
(col. 14) per 
Eegnault 
(^ 2 ). 
Tempera- 
ture of the 
refrigerat- 
ing water 
at its exit, 
at the times 
the vacuum 
was ob- 
served 
(9)- 
Conduction 
of beat, per 
square foot of 
the surface of 
the steam- 
pi23e, or 
^ log ihzl\ 
No. 
In the 
experiment 
1 
j Per hour 
(w). 
1 
j In the 
experiment 
1 
Per hour. 
97-64 
97-64 
2-374 
2-374 
33-08 
651-41 
1-56 
1-49 
3°4-03 
20-074 
98-13 
1 
98-73 
98-73 
5-818 
5-818 
55-27 
652-6 
5-0 
4-66 
56-63 
40-493 
158-46 
2 
379-45 
758-9 
9-467 
18-934 
78-87 
640-83 
17-992 
12-53 
86-37 
18-956 
195-68 
3 
399-08 
798-16 
8-914 
17-828 
75-24 
640-48 
15-32 
1 1 -65 
82-3 
17-29 
191-86 
4 
443-26 
591-01 
8-410 
11-213 
61-58 
656-49 
9-094 
6-074 
69-79 
15-82 
152-24 
5 
389-64 
631-85 
9-556 
15-496 
69-95 
654-04 
13-332 
78-87 
18-882 
184-3 
6 
495-39 
594-47 
8-611 
10-332 
58-94 
644-58 
7-865 
6*57 
66-48 
15-152 
149-44 
7 
597-01 
597-01 
9-128 
9-128 
56-65 
638-63 
6-346 
4-373 
61-73 
13-492 
138-79 
8 
570-26 
657-99 
9-284 
10-712 
59-12 
637-72 
7-342 
5-4 
64-95 
13-94 
151-6 
9 
430-64 
430-64 
4-418 
4-418 
12-68 
645-15 
29-38 
99-49 
11-42 
10 
218-34 
436-68 
9-321 
18-642 
25-62 
638-76 
29-618 
99-72 
31-165 
11 
309-42 
618-84 
8-200 
16-399 
20-78 
651-19 
29-618 
99-72 
21-72 
12 
261-26 
783-78 
7-027 
21-081 
29-08 
647-86 
29-915 
100 
21-924 
13 
33-95 
67-9 
2-18 
4-36 
23-9 
693-27 
29-9 
99-98 
47-8 
14 
283-3 
849-9 
10-6 
31-8 
97-0 
657-72 
29-68 
99-77 
26-1 
15 
227-4 
737-5 
9-8 
31-78 
79-0 
641-7 
29-92 
100 
30-66 
16 
189-47 
189-47 
2-985 
2-985 
22-75 
652*85 
0-96 
25-58 
16-5 
193-77 
17 
20-41 
20-41 
2-983 
2-983 
84-31 
596-4 
18-326 
86-85 
83-47 
89-62 
18 
87-14 
43-57 
6-54 
3-27 
54-.36 
639-16 
4-965 
4-965 
56-48 
51-9 
143-92 
19 
122-32 
61-16 
3-66 
1-83 
25-71 
652-48 
1-185 
1-185 
29-18 
25-64 
155-91 
20 
6.3-72 
76*5 
9’55 
11-46 
87-25 
632-77 
25-] 26 
18-806 
95-19 
88-87 
279-85 
21 
124-5 
124-5 
9-838 
9-838 
67-39 
645-09 
10-835 
1 0*505 
73-88 
52-56 
198-48 
22 
251-6 
34.3-1 
9-938 
13-552 
60-6 
594-28 
8-2 
7-95 
67-42 
27-46 
202-28 
23 
194-06 
612-82 
9-671 
30-54 
84-43 
654-33 
23-22 
15-0 
93-06 
34-48 
335-65 
24 
167-16 
18-07 
2-652 
0-287 
9-18 
671-01 
0-77 
21-91 
17-03 
29-26 
25 ' 
261-6 
592-3 
9-771 
22-123 
68-77 
644-99 
11-76 
7-83 
75-83 
26-8 
297-38 
26 
3.32-91 
739-8 
9-77 
21-711 
59-24 
651*8 
7-46 
5-414 
65-3 
22-3 
342-5 
27 
255-72 
767-10 
9-679 
29-037 
73-61 
641-1 
13-45 
9-4 
79-08 
26-14 
353-6 
28 
118-66 
16-37 
9-966 
1-375 
38-92 
616-85 
5-03 
56-75 
55-3 
80-9 
29 
242-5.3 
606-33 
9-89 
24-725 
71-663 
649-82 
13-784 
8-124 
79-68 
31-805 
332-85 
30 
245-85 
797-34 
9-145 
29-66 
69-825 
649-23 
11-92 
9-59 
76-15 
29-376 
408-89 
31 
345-85 
691-69 
2-665 
5-33 
27-08 
669-8 
1-145 
1-145 
28-59 
13-188 
256-3 
32 
305-85 
611-69 
6-059 
12119 
46-782 
659-2 
3-271 
3-26 
47-97 
20-248 
300-41 
33 
328-62 
657-25 
7-403 
14-806 
39-636 
652-34 
2-161 
40 
22-343 
522-1 
34 
311-0 
1244 
7-710 
30-84 
60-411 
636-08 
7-876 
6-67 
66-51 
22-371 
46696 
35 
258-44 
I292-I8 
8-853 
44-264 
79-88 
638-08 
19-012 
15-81 
87-8 
27-065 
474-32 
36 
249-56 
1302-06 
9-576 
49-962 
87-677 
637-15 
25-624 
95-72 
29-42 
491-56 
37 
216-0 
1296 
8-475 
50-85 
89-732 
628-85 
27-074 
21-67 
97-23 
29-43 
479-77 
38 
57-53 
57-5.3 
3-023 
3-023 
39-54 
647-76 
2-186 
1-986 
40-21 
38-858 
255-6 
39 
21-4 
21-4 
3-629 
3-629 
89-45 
572-29 
24-49 
22-49 
94-5 
89-476 
84-55 
40 
13.3-45 
13.3-45 
3-399 
3-399 
25-07 
642*26 
1-037 
0-976 
26-89 
23-068 
303*43 
41 
147-29 
155-04 
9-992 
10-518 
49-51 
650-19 
6-064 
60-74 
47-62 
303-08 
42 
99-45 
99-45 
8-737 
8-737 
61-96 
629-15 
6-934 
5-33 
63-67 
56*744 
289-44 
43 
22-432 
11-216 
1-957 
0-978 
55-92 
595-34 
4-762 
4-21 
55-6 
54-01 
53-1 
44 
45-276 
45-276 
2-151 
2-151 
33-97 
637-64 
1-662 
1-55 
35-16 
34-688 
257-1 
45 
91-197 
91-197 
1-742 
1-742 
1 7-58 
629-21 
0-698 
0-7 
20-31 
18-258 
239-09 
46 
455-01 
455-01 
5-559 
5-559 
15-625 
645-23 
1-589 
0-964 
34-36 
14-041 
198-52 
47 
200-531 
523-12 
10-191 
26-585 
61-80 
654*95 
8-97 
6-12 
69-47 
36-703 
473-3 
48 
144-807 
511-08 
9-66 
34-094 
74-56.3 
649-19 
15-47 
10-32 
82-55 
44-731 
490-99 
49 
133-31 
533-23 
9-594 
38-376 
80-073 
•643-97 
20-54 
13-82 
■ 89-81 
47-563 
498-64 
50 
1.33-588 
572-52 
9-551 
40-933 
82-86 
648-92 
21-315 
90-79 
46-82 
512-66 
51 
310-978 
621-95 
8-811 
17-622 
41-145 
654-37 
4-864 
2-51 
56-05 
24-038 
370-49 
52 
103-32 
103-32 
3-073 
3-073 
20-507 
634-23 
1-092 
1-09 
27-78 
25*343 
305-89 
53 
58-712 
117-42 
3-4 
6-8 
43-703 
644-5 
2-946 
2-95 
45-91 
41-49 
354-74 
54 
ilLCCCLXI. X 
