Historedia
Person

Nicholas of Cusa

Events
1
Episodes
2
Years
1451–1462

Every event in Historedia whose sources name Nicholas of Cusa, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. Emergence of concave spectacles for myopia

    1451–1462

    Role: Attributed inventor (unverified), writer of De beryllo

    1. 1451 · Florence, ItalyFlorence as Manufacturing Center

      By 1451, Florence had become the leading European center for manufacturing high-quality concave spectacle lenses.

    2. 1462-10-21 · Milan, ItalyMilanese Court Order

      In 1462, the Duke of Milan ordered concave spectacles from Florence, confirming widespread availability and use.

Sources

  1. invention-spectacles Wikipedia