560 PROFESSOR DANIELL ON THE WATER-BAROMETER ERECTED 
1831 . 
Thermometers. 
Water- 
Barometer. 
Tempera¬ 
ture of . 
Mercury. 
Mercurial ' 
Barometer. 
Water- 
Barometer j 
educed to 
Mercury. 
lifference. 
Elasticity j 
f Vapour. 
lifFerence. 
In. | 
Out. 
May 1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
. 24 
26 
27 
28 
29 
30 
31 
o 
55 
56 
55-5 
56 
54 
51 
48-5 
48-5 
50 
52 
51 
54 
55 
54 
51-5 
54 
56 
58 
58 - 5 
61 
60-5 
59 - 5 
59 
61 
62 
61 
59 
58-5 
58 
57 
57 
o 
55 
56 
55 
56 
54 
51 
49 
49 
50 
52 
51 
54 
55 
54 
52 
54 
56 
58 
58 
61 
60 
60 
59 
61 
62 
61 
59 
59 
585 
57 
57 
Inches. 
390 - 86 
391 - 74 
393-00 
389*84 
392 - 22 
395-38 
399 - 25 
402-21 
433-55 
401-01 
400 - 00 
399-95 
397*28 
399-01 
398 - 93 
399 - 43 
400 - 05 
397-53 
394-23 
393 - 49 
394 - 90 
396-66 
395 - 19 
393-88 
393 - 77 
394 - 35 
393-66 
395 - 44 
396 - 31 
395 - 69 
396 - 99 
O 
54 
52 
53 
57 
48 
52 
51 
52 
52 
54 
53 
55 
52 
48 
47 
50 
55 
57 
57 
61 
59 
58 
57 
60 
61 
58 
55 
57 
56 
55 
55 
Inches. 
29-400 
29-479 
29*568 
29-587 
29*484 
29-685 
29 - 974 
30 - 203 
30-285 
30-163 
30-136 
30-100 
29 - 919 
30 - 026 
30-001 
30-064 
30-153 
29-994 
29-753 
29-639 
29*827 
29-950 
29-846 
29-785 
29-771 
29-802 
29-736 
29-841 
29-913 
29-838 
29-930 
Inches. 
Inch. 
Inch. 
Inch. 
Means.. . 
. 55-9 
55-9 
397-28 
54-5 
29-866 
29-161 
•705 
•492 
•213 
