Nautical mile 1 sea mile", followed by "For most practical purposes distance is measured from the latitude scale, assuming that one minute of latitude equals one nautical mile". One tenth of a nautical mile is a cable length. The derived unit of speed is the knot, defined as one nautical mile per hour. The metre was originally defined as of the meridian arc from the North pole to the equator passing through Dunkirk. The Earth’s circumference is therefore approximately 40,000 km. The equatorial circumference is slightly longer than the polar circumference – the measurement based on this (40,075.017 km x x =
Nautical fiction their constituent naval, nautical or sea novels, depends largely on the focus of the commentator. Conventionally sea fiction encompasses novels in the vein of Marryat, Conrad, Melville, Forester and O'Brian: novels which are principally set on the sea, and immerse the characters in nautical culture. Typical sea stories follow the narrative format of "a sailor embarks upon a voyage; during the course of the voyage he is tested – by the sea, by his colleagues or by those that he encounters upon another shore; the experience either makes him or breaks him". Some scholars chose to expand the definition of