A principal defect of this staff (used with one eye closed) is the practical difficulty of keeping the opposite ends of the transversal correctly on horizon and star, especially at sea.
Intloko engalunganga kwesisitafi (isebenza elinye imehlo livalie) luqheliso olunzima ukugcina isiphelo esinqamlezayo sokuchasana ukunqamlezana ngokulungileyo kokuthe tyaba nakwinkwenkwezi ingakumbi elwandle.