Traverse Board (2 янв 1500 г. – 2 янв 1700 г.)
Описание:
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-1700CEДобавлено на ленту времени:
Дата:
2 янв 1500 г.
2 янв 1700 г.
~ 200 years