Show FIND MAGNETIC POLE norwegian lead expedition 1903 captain norwegian trip antarctic 1837 1837 1697 start next spring expedition locate magnetic north pole 1831 sir james dark dark clark dark clark mark ness ness ross position where needle minute vertical position question whether magnetic polo polo pole point whether needle vertical position area further whether magnetic pole pole dole position object best norwegian arctic fleet start north spring 1903 petroleum engine carry crew seven leave ship either island king william land york mall express soon part winter continue journey place ross ed nee ex 31 |