Zaccharias Janssen and Hans (3 apr 1590 anni – 1 lugl 1590 anni)
Descrizione:
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.Aggiunto al nastro di tempo:
Data:
3 apr 1590 anni
1 lugl 1590 anni
~ 2 months and 29 days