Hu ey 100 20 n 
tf 
3 . 
a 
oa 
Sw t 
; . 
- . 
fe - 
.e 
fi 
' 
je] 
- 
- 
‘ 
EXPLANATION OF COLOUR 
: “ 0°C P= 
g 8 jus) A 
% 95°F. -10°C. 
c —~8G'F  /5C. 
3 -77°F  20C ; 
o is 2a Note: ~All Isotherms are drawn to Sea Le are ; 
SOFC " mete =p so 
J FE Cn . = TREE i = 
ae 68 32°F 80 0) ee 40 60 80) 100 120 140 160 . 
es EI ae 
Goadlls Projection. W.& A K Jobn sion Linvited. Edinturdh