-Philos. Trans. MDCCC\m.MatcLp.d2. 
m -p 
= 
90° 
rti t 
= 
90° 
a m 
= 
135° 
7 ? V 2) 
= 
12,5° 
c 1 
- 
115 ° 
15' 
52 ' 
9 1 
244 ° 
44 -' 
8" 
d 771 
= 
116 0 
33 ' 
54 " 
f m 
— 
253° 
26' 
6 " 
