92 
Proceedings of Royal Society of Edinhurgh. [s 
Table No. I. 
Slioiuing the Mean Limit of Visibility in Miles of the Air at 
Falkirk for the Different Directions of Winds at Different 
Degrees of Dryness. 
2° 
3° 
4 ° 
1 
5° 
( 
3° 
r 
( 
3° 
H 
o s 
u .2 
0 S 
■ CO 
07 
0 a 
*-'.2 
O-I 
C4H ^ 
ts 
CM 
o.-S 
fi_, CO 
El 
’op 
CO 
SI 
0 ^ 
<U +3 
IE 
^ C3 
I'i 
2 > 
^ cS 
2 £ 
^ cz 
S u 
•m3 
a 
QJ -M 
^ TO 
2 £ 
-M S 
S3 
01 -M 
^ c3 
2 M 
l-l 
5 o 
SI 
O 
s ^ 
CO 
0 
S CD 
0 
SI 
0 
0 0> 
0 
M OJ 
S 3 
0 
cu 
S 3 
0 
N. 
1 
80 
2 
160 
1 
200 
N.N.E. 
”2 
50 
N.E. 
'3 
32 
’5 
’33 
1 ' 
35 
1 
’25 
E.N.E. 
3 
33 
E. 
3 
16 
4 
*’5 
5 
18 
2 
18 
1 ' 
15 
"2 
’i ’4 
4 ' 
’22 
E.S.E. 
S.E. 
’3 
i*4 
'2 
22 
S.S.E. 
3 
12 
1 
12 
’2 
i ’5 
S. 
3 ’ 
”9 
1 
'i '5 
4 
15 
4 
16 
2 
30 
’3 
’18 
3 
32 
S.S.W. 
4 
6 
2 
11 
8 
11 
3 
13 
3 
13 
2 
45 
s.w. 
8 
7 
10 
13 
9 
15 
7 
14 
4 
12 
3 ’ 
25 
4 
17 
w.s.w. 
1 
4 
2 
25 
1 
25 
1 
50 
w. 
6 
50 
10 
116 
8 
115 
5 ' 
95 
7 
146 
3 
130 
5 ’ 
172 
W.N.W. 
1 
150 
N.W. 
’2 
85 
i’ 
200 
' 4 ' 
140 
"2 
250 
i 
250 
1 
250 
N.N.W. 
Table No. II. 
Shoiving the Mean Limit of Visibility in Miles of all the Observations 
when the Wind was Easterly and Southerly^ and of the Winds 
when Westerly and Northerly^ at different Wet Bulb Depressions. 
Direction of Winds. 
Limits of Visibility for Different Depressions. 
2° 
3° 
4° 
5° 
6° 
70 
8° 
E.,E.S.E.,S.E.,S.S.E., ) 
S., S.S.W, S.W., .i 
W.,N.W.,N., . 
8 
50 
11 
100 
14 
132 
18-5 
132 
16-4 
198 
19 
193 
26 
191 
