There is the "big hand" and the "little hand" on the clock. This is the design of the time convention that most folks have known since John Harrison before his time.
John made the clock that allowed ships to know their relative distance from London, the prime meridian, to the west.
Star sighting always gave voyagers a position North to South. East to West was a time thing.
Harrison created a clock that would work on a ship and maintain time.
No comments:
Post a Comment