Zaccharias Janssen and Hans (3 апр 1590 г. – 1 июл 1590 г.)
Описание:
They were two Dutch spectacles. They were testing multiple lenses in a tube whilest doing so they noticed that the objects seemed to be enlarged.Добавлено на ленту времени:
Дата:
3 апр 1590 г.
1 июл 1590 г.
~ 2 months and 29 days