In 2014, archeologists uncovered an ancient specimen of one of the oldest known marine navigation tools used by humans from a ...

The nocturnal is a navigational instrument that was first invented in the 16th Century. By focusing on the stars it can estimate the time to within 10-15 minutes. The outer edge of the instrument ...

The Ritchie system sends a single precise heading from the MagTronic sensor to an auto-pilot and all navigational instruments, including Loran, GPS, Sat/Nav and radar. The helmsperson then sets ...