IN PASSING THROUGH THE ATMOSPHERE. 
245 
I. Geneva, August 18, 1832. 
Actinometer B. 2 26-3, 
G. 7. 
B. 2. 
G. 7- 
B. 2. 
G. 2. 
22*4 
26-3 
23-8 
26-8 
23-9 
Ratio. 
B. 2. : G. 7. 
26-3 
26-55 
M74 
1-116 
26-8 1-121 
Mean .... 1-137 
II. Geneva, September 5, 1832. 
B. 2 
Mean. 
G. 7 
>19-8 ... 
. 1-200 
B. 2 
G. 7 
- 21-9 . . . 
. 1-100 
B. 2 
G. 7 
23-2 
- 23-2 . . . 
. 1-000 
B. 2 
G. 7 
20-0 
- 22-5 . . . 
. 1-125 
B. 2 
20-8-1 
G. 7 
21-9 
- 22-2 
. 1-014 
B. 2. 
23-7-1 
Mean . . 
.. 1-088 
The differences here are evidently due to variations in the state of the atmosphere. 
III. Faulhom, September 24, 1832 (by M. Kamtz) 
B. 2 23-0 ; 22-7 ; 24-1 Mean 23-26 
G. 7 17-2; 17-1 ; 1 7*7 
B. 2. . 
G. 7 20-9; 21-3; 21-1; 22-2.. Mean 21-37 [. 2 6. 3 
B. 2 27-3 ; 27'4 ; 27’8 ; 27-8 . . Mean 27*57 
Mean 17-33 124-14 1-393 
23-8 ; 25-7 ; 25-6 Mean 25-03 J 
Mean 
1-312 
IV. Faulhorn, September 24 (Kamtz). 
G. 7 21-7; 24-2; 24-9; 24-9 Mean 23-92 -> 
B. 2 27-2; 28-8; 29-1 ; 29-1 Mean 28-55 125-04 1-140 
G. 7 25-4 ; 26-1 ; 27*0 Mean 26-16 J 
V. Paris, June 10, 1833. In M. Arago’s Magnetic Cabinet. 
G. 7 29*9; 28-8 Mean 29-35-, 
B. 2 35-8; 35-2 Mean 35-5 |- 30-02 1-182 
G. 7 30-2; 31-2 Mean 30-7 l 
B. 2 36-0; 36-4 Mean 36-2 1 30-82 1-174 
G. 7 31-2; 30-7 Mean 30-95^ 
B. 2 36-5 ; 36-9 Mean 36*7 l 31-1 1-180 
G. 7 31-3 ; 31-2 Mean 31-25 * 
B. 2 36-6; 35-1 Mean 35-85 i 30-92 1-159 
G. 7 30-8 ; 30-6 Mean 30-7 - 1 
B. 2 34-4; 35-1 Mean 34751 30-32 1-146 
G. 7 28-5; 31-4 Mean 29-95-1 
B. 2 34-8; 35-5 Mean 35-1 5 1 5 1-166 
G. 7 30-6; 30-1 Mean 30-35 J 
Mean .... 1-168 
