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 =
Papyrus Oxyrhynchus 240 Papyrus Oxyrhynchus 240 Papyrus Oxyrhynchus 240 (P. Oxy. 240 or P. Oxy. II 240) is a declaration by a village scribe, written in Greek. It was discovered in Oxyrhynchus. The manuscript was written on papyrus in the form of a sheet. It is dated 11 February 37. Currently it is housed at the British Library in London. The manuscript contains a declaration by a village scribe denying that he has any knowledge of extortion by an unnamed soldier and his agents in the villages in which the scribe worked. The measurements of the fragment are 126 by 105 mm. It