1903 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 J U LY 19 I9O3 J U LY 



2O 



140* ISO* ISC' 170" ISO" 170' ISO ISO' 140' 







140' ISO* 160' 170* IBO* 170* 1 60' ISO* 



4O 3O* 



20* 30* 



1903 



JULY 



21 1903 



JULY 



40* ISO* 160* 170 IBO* 170* 160* 



Holh Lundun 



For explo.na.tion tee Key ro.p. 



