It soon became apparent that following an east-west compass course might carry a ship south or north of an east-west line of latitude.
Yayizakukhawuleza cacileyo ukulandelwa kwempuma-nentshona kufundo ngekhampasi omhlawumbi ilayishe inqanawa ukuya kumzantsi okanye kumntla wempuma-nentshona wobubanzi kwimigca mazingahlali zithe ncam kububanzi.