32 
CAPTAIN W. DE W. ABNEY ON THE TRANSMISSION 
00 
00 
CO 
Q 
1-3 
1-3 
H 
Q 
P3 
o 
Remarks. 
/.i = '381. 
Very fair sky ; good sun. 
Calculated 
intensity. 
1-0 
-^1 
o 
IS- 
ip 
cb 
lO 
Ci 
CO 
34-7 
22 
Adopted 
mean 
intensity 
for 10 sec. 
exposure. 
67 
75 
1 
o 
i'>. 
ip 
IN, 
XO 
IT 
00 
i’o 
22 
Intensity 
for 10 sec. 
exposure. 
! 
.1 
_ ^ ^ _A._ _ 
00 O CO CO 
t>. CO CO CO 
lO 
CO A- 
00 
CO 
CO CO 
lO iO 
'O o oi 
CO 
lO CO 
cb ib 
CO CO' 
oi oi 
oi Ol 
' Equivalent 
in 
intensity. . 
CO O CO CO 
!>• CO CO CC CO 
CO CO 
lO 
00 
CO 
CO 01 00 
I-H In* 
I-H rH 
01 Gi 
lO 1—< 00 
i-H rH 
CO 01 
rH 
rH 01 
130 
130 
Depth of 
tint. 
White 
= ■100. 
ip 
1—i CO 1—i 00 
ijO CO ’'^1 CO 
x': lO 
6c o 
lO CO CO 
lO 
01 Gi 
CO CO 
IN. ^ 
^ CO 
vp 
O 1-0 Ol 
I.^ CO 
G; GC 
CO oi 
xO lO 
6i bi 
Air 
thickness, 
that of ZD 
being 1. 
oi 
f-H 
1-41 
2-02 
2-64 
1 
3-31 
4-46 
Barometer, 
pressure 
in inches. 
cp 
'cb 
i 
Time. 
11.40 
1.33 
00 
ci 
4.30 
! 
1 
6.20 
5.52 
00 
rH 
cb 
1 fl ^ 
O "2 
CL, p g 
ri ^ “ 
o o o o o'* 
I-H 01 rH 0^ r-l 
o o o 
J-H 04 01 
o o 
o o o 
rH 01 CO 
lO O lO 
r-i 00 
o o 
ryl O 
o o 
CO CO 
t 
No. of 
exposure. 
T—i 01 CO IC 
CO !>• CO 
Oi o 
i-H 
rH 01 CO 
rH t-H rH 
•rfi lO CO 
rH rH rH 
00 
r^ r— 
Gi O 
rH 01 
