1 12 
Mr. Golding ham’s experiments 
Experiments for ascertaining the motion of Sound , with a gun 
placed on St. Thomas’s Mount , station at the top of the 
Madras Observatory House. 
Table I. 
Month. 
S' 
Q 
No. of 
Observations. 
Morning or 
Evening. 
Time. | 
Height of 
Number of 
Wind. 
Weather. 
Barotn. 
Therm. 
Hygrom* 
Beats. 
Seconds 
1820. 
h. 
Inches. 
Dry. 
July 
‘4 
I 
E 
6 
29,878 
84,8 
22 
62,0 
24,8 
SE 
Cloudy. 
*5 
I 
E 
0 
29,910 
83,5 
2 3 
62,0 
24,8 
SE 
Cloudy and rain. 
16 
1 
E 
0 
29,900 
83.5 
18 
64 
25,6 
Calm 
Cloudy and rain. 
1 7 
1 
E 
0 
29,910 
82,3 
!5 
6 3 
25,2 
SE 
Cloudy. 
18 
I 
E 
0 
29,842 
8 4>3 
17 
64 
25,6 
Calm 
Thin haze. 
*9 
1 
M 
> 
29,870 
79 > 8 
I 2 
62 
24,8 
Light NE 
Cloudy and rain. 
I 
E 
0 
29,865 
83»3 
14 
63 
25,2 
SE 
Hazy. 
20 
I 
E 
6 
29,855 
84,0 
15 
6 3 
25,2 
SE 
Clear. 
21 
I 
E 
6 
29,870 
83>5 
»5 
64 
2 3,6 
SE 
Hazy. 
22 
I 
M 
5 
29,920 
80,0 
1 2 
64 
25,6 
Land 
Cloudy. 
I 
E 
6 
29,900 
80,4 
>4 
62 
24,8 
SE 
Hazy. 
23 
I 
M 
5 
29,920 
80,5 
63 
25,2 
Land 
Cloudy. 
I 
E 
6 
29,928 
8 3>3 
16 
64 
25,6 
Calm 
Cloudy. 
24 
I 
M 
5 
29,920 
80,0 
H 
64 
25,6 
W 
Hazy. 
I 
E 
6 
29 , 9 i 5 J 
8 3>3 
16 
6 3 
2^,2 
SE 
Cloudy. 
2 5 
I 
M 
5 
2 9>955 
8Cj2 
*4 
62 
24,8 
W 
Cloudy. 
I 
E 
6 
29,925 
8 4>5 
20 
63 
25,2 
SE 
Hazy. 
26 
1 
M 
5 
30,045 
80,0 
16 
65 
26.0 
Light W 
Hazy. 
I 
E 
6 
30,018 
87,0 
24 
6 3 
25,2 
Calm 
Thin haze. 
27 
I 
E 
6 
30,048 
8 3>3 
20 
63 
25,2 
SE 
Hazy. 
28 
I 
M 
5 
3°>°55 
80,7 
15 
65 
26,0 
Land 
Cloudy. 
I 
E 
6 
30,020 
80,4 
1 1 
63 
25,2 
Light SE 
Cloudy. 
2 9 
I 
M 
5 
30,020 
79-8 
9 
6S 
26,0 
SE 
Clear. 
I 
E 
6 
30,028 
81,8 
7 
63 
2*J,2 
Fresh SW 
Cloudy. 
3 ° 
I 
M 
5 
30,040 
77.8 
7 
64 
25,6 
Land 
Clear. 
1 
E 
6 
30,000 
83,0 
8 
64 
25,6 
SE by E 
Clear. 
3 1 
I 
M 
5 
30,025 
81,0 
8 
62 
24,8 
Light SW 
Clear. [lightning. 
I 
E 
6 
29,966 
84,0 
10 
6 4 
25,6 
Light NE 
Cloudy; some rain, thunder and 
Aug. 
1 
1 
E 
6 
29,965 
81,0 
7 
62 
24,8 
Calm 
Clear. 
2 
I 
E 
6 
29,968 
81,8 
4 
63 
25,2 
NW 
Cloudy. 
3 
2 
M 
5 
30,020 
80,2 
4 
6 3 >; 
2 5>4 
W 
Cloudy. 
I 
E 
6 
29,975 
82,5 
6 
63,0 
25,2 
Light SE 
Thin haze. 
4 
I 
E 
6 
30,000 
82,0 
9 
64 
25,6 
SE 
Clear. 
5 
2 
M 
5 
3 °,° 3 0 
80,0 
7 
64 
25,6 
Calm 
Cloudy, and some rain. 
1 
E 
6 
29,968 
82,0 
7 
6 3 
25,2 
SE 
Hazy. 
6 
1 
E 
6 
z 9>955 
83,0 
10 
6 3 
25,2 
SE 
Thick haze. 
7 
2 
M 
5 
30,000 
80,5 
9 
64 
25,6 
W 
Cloudy. 
