200 SIR G. BADEN-POWELL OR THE TOTAL ECLIPSE OP THE SUX, 1896. 
In all, four good photographs were secured by the slit and nineteen by the prismatic 
camera. 
18. With regard to the results secured by the coronagraph, the following state¬ 
ments may be made :— 
Assuming observations on the central line the following scheme of exposures had 
been prepared by Mr. Lockyer :— 
No. 
Exposure. 
Change of plates. 
1 
seconds. 
5 
seconds. 
i) 
15 
5 
60 
5 1 
4 
o 
5 
5 
IS 
• > 
As the station we took up in Novaya Zemlya vras about twenty miles from the 
central line, our period of totality was reduced to 1 minute 45-5 seconds, and 
Mr. Shackletox drew up the following revised scheme :— 
No. 
Exposure. 
Change of plates. 
I 
seconds. 
5 
seconds. 
2 
15 
5 
3 
40 
5 
4 
2 
5 
5 
15 
5 
With the aid of the mate of the “ Otaria,” Mr. Kerley, I successfully made the 
exposures at the regulated times. The “ Castle ” plates, by Mawsox and Swax, 
were used throughout. Five photographs of the corona were taken, with the 
following exposures :— 
