IN THE HALL OF THE ROYAL SOCIETY. 
569 
1832. 
Thermometers. 
Water- 
Barometer. 
Tempera¬ 
ture of 
Mercury. 
Mercurial 
Barometer. 
Water- 
Barometer 
reduced to 
Mercury. 
Difference 
Elasticity 
of Vapour. 
Difference. 
In. 
Out. 
O 
Inches. 
Inches. 
Inches. 
Inch. 
Inch. 
Inch. 
February 1 
48 
48 
390-22 
47 
29-523 
2 
50-5 
50 
386-22 
51 
29-218 
3 
50 
49-5 
389-46 
46 
29*459 
4 
50-5 
50 
393-41 
51 
29-797 
5 
52 
52 
395-35 
53-5 
29-983 
6 
53-5 
53 
393-10 
54-5 
29-816 
7 
52 
52 
394-16 
50 
29-888 
8 
49-5 
49 
399-63 
52 
30-301 
9 
51 
51 
400-04 
52 
30-364 
10 
50 
49-5 
402-41 
50 
30-542 
11 
50 
49-5 
400-21 
49 
30-350 
12 
48 
47-5 
397-94 
51-5 
30-154 
13 
48 
47*5 
397-18 
49 
30-073 
14 
47 
47 
396-80 
50-5 
30-054 
15 
46 
44-5 
397-37 
48 
30-060 
16 
43 
42*5 
395-17 
41-5 
29-867 
17 
45 
45 
393-02 
48 
29-708 
18 
46 
46 
398-35 
49 
30-165 
19 
47 
46-5 
400-02 
50 
30-307 
20 
46 
46-5 
400-11 
46 
30-325 
21 
46 
45-5 
399-43 
48 
30-263 
22 
44 
44-5 
400-42 
49 
30324 
23 
44 
44 
400-05 
43 
30-380 
24 
43 
43 
398-89 
46 
30-168 
25 
42 
42 
397-21 
43 
30-019 
26 
43 
42-5 
399-22 
43-5 
30-213 
27 
46 
46 
397-72 
44 
30-112 
28 
44-5 
44 
398-80 
48 
30-104 
29 
44 
44 
398-91 
48 
30-193 
Means.. .. 
47-2 
47 
396-92 
48-3 
30-060 
29-133 
•927 
•364 
•563 
