for ascertaining the velocity of sound. 
137 
TABLE VIII. 
The wind having been south-easterly , mean of the observations of 
three days. 
Month. 
No. of 
Observations. 
Mean height of 
Number of 
Weather. 
Barometer. 
Therm. 
Hygrom. 
Beats. 
Seconds. 
- 
Inches. 
Dry. 
6 
29,925 
8 3>9 
”, 3 
30, O 
12, 0 
6 
29,927 
85,0 
l S- 
30,65 
12, 26 
6 
2 9>957 
8 5>3 
18, 3 
30, ! 5 
12, 06 
6 
29,942 
84,0 
18, 3 
3 °, O 
12, O 
6 
29,955 
84,4 
>7 
30,35 
12, 14 
6 
29,955 
82,6 
H 
3 °, 5 
12, 2 
6 
29,941 
82,6 
”, 3 
30 , 5 
12, 2 
6 
30,008 
83,2 
H 
31, 0 
12, 4 
6 
30,086 
8 4»5 
* 7 , 7 
30,65 
12, 26 
6 
30,025 
77>5 
9, 2 
30, 3 
12, 12 
6 
3°,!55 
7 8 >4 
H 
3 °, 9 
12, 36 
6 
30,120 
79 , 8 
15, 8 
31,05 
12, 42 
6 
30,090 
81,0 
H, 3 
31, 2 
12, 04 
6 
30,065 
80,3 
17, 2 
3 °, 9 
12, 36 
- 
6 
30,127 
80,6 
19, 2 
31, 0 
12, 4 
6 
30,043 
81,5 
”, 3 
3 o ,75 
12, 3 
6 
30,055 
82,3 
12, 7 
3 °, 7 
12, 28 
6 
29,990 
82,5 
11, 8 
3 i, 1 
12, 44 
4 
30,084 
8 3 ,S 
15 
30,37 
12, 14 
Mean 
- - 
30,023 
82,3 
14,60 
12,231 
MDCCCXXIII. 
T 
