'Some do this', says William Bourne, the Gravesend gunner and teacher of navigation, who was the first to report the method in 1574.
Abanye benza okuthi uWilliam Bourne umdubuli wase Graserd nofundisa uhambo ngeenqanawa, obengowokuqala ukunika ingxelo yendlela ngonyaka wekhulu leshumi elinesihlanu linamashumi asixhenxe anasine.