1902 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON G.M.T. 

 WITH WINDS AND AIR TEMPERATURES. 



OCTOBER 20 1902 OCTOBER 



21 



1*0' ISO* 160' 170* I8O' 170* I6O* ISO' 



140' 



0" 20 30' 



I4O* ISO* 160" 170* 180* 170' 160* ISO' 140' 



30" 20 10' 0" 10 -V 20^ 30 40" 



1902 



OCTOBER 



22 1902 



OCTOBER 



23 



140" _ ISO* _ ISO* 



160* 170 ___ 160 _ 150^ _ 140* 



4Q SO" 20" 



30" 4O" 



I4O ISO" ISO" 170" 160* 170" 160 ISO" 140' 



70 



30 20 10 O" 10 20 3O 



For explana-tion see Key ma/p. 



