The safeguard of sailers, or, Great rutter. : containing the courses, distances, soundings, floods, and ebbs, with the marks for the entring of sundry harbours of England, Scotland, France, Spain, Ireland, Flanders, Holland, and the sounds of Denmark, also the coast of Jutland and Norway, with other necessary rules of common navigation : collected out of the newest and largest waegoner, and confirmed by the practice and experience of many able pilots and seamen, now published for the use and benefit of all honest mariners.