Whether you use a Marine Sextant or not, yet it still affects your maritime life on-board a ship. Its a pity that such precise and wonderful nautical instrument has become a facebook profile pic for navigational officers. No wonder people have not only forgotten how to use a marine sextant but how it affects their life indirectly till today. Here is a collection of such forgotten facts.
The first true chronometer was the life work of one man, John Harrison, spanning 31 years of persistent experimentation and testing that revolutionized naval (and later aerial) navigation and enabling the Age of Discovery and Colonialism to accelerate.Since its accuracy mattered so much in those non GPS age, a chronometer error log was started to check and keep the chronometer timing synchronized with coast radio station. The truth is, a marine chronometer later got modified/improved to pocket watch and wrist watch.
Source : Marine Chronometer