18 ore 24 sett 1500 anni - Simple devices to aid human calculations- 16th century
Descrizione:
Explorations of various continents and trading brought in the requirements of precise calculations
of sea routes, accounting, planetary positions, and navigational tables- 16th century. Napier bones and the Slide were used.
Aggiunto al nastro di tempo:
Data:
18 ore 24 sett 1500 anni
Adesso
~ 524 years ago