For Parallax in Altitude, 
194 
HINTS TO TRAVELLERS, 
II 
fcb 
c 
CO 
CO 
vO 
O' 
00 O 
I'' 1 
\0 U ~|00 
rCO O 
« O J 
h03 O' 
b'b 
II II II II 
O H 
M 
hJ <1 
<1 
S 
o 
13« 
■| gc^’ 
7448 27*22 
Corrected refraction. 4. 15*62 
