Traverse Board (2 janv. 1500 – 2 janv. 1700)
Description:
Traversed Board was used to record the direction a ship was sailing along with the corresponding speed the ship for the same four-hour period, solely developed for maritime exploration, Mariners had tools to determine direction and speed, but they needed a way to record and remember their measurements over a period of time. The Traverse Board did just that, it lasted to 1500CE-1700CEAjouté au bande de temps:
Date:
2 janv. 1500
2 janv. 1700
~ 200 years