18 ч 24 сент 1500 г. - Simple devices to aid human calculations- 16th century
Описание:
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.
Добавлено на ленту времени:
Дата:
18 ч 24 сент 1500 г.
Сейчас
~ 524 г назад