ocr: NAVIGATION - - Navigation is the art and science of directing a vessel from one place to another. Ancient techniques of navigation have been lost. Before the 10th century AD when the magnetic compass appeared, ancient sailors could not venture out of sight of land without the risk of getting lost. It was not until the 1730s and the invention of the SEXTANT and CHRONOMETER that Latitude and Longitude could be determined with any accuracy. Thus, a new age of navigation and exploration began. As system based on Degrees is used in navigation off the globe. Latitude and Longitude are a coordinate s ...
