19 ноя 1735 г. - chronometer
Описание:
A marine chronometer is a timepiece that is precise and accurate enough to be used as a portable time standard; it can therefore be used to determine longitude by means of celestial navigation.Добавлено на ленту времени:
Дата:
19 ноя 1735 г.
Сейчас
~ 288 г назад
