Search results

| occupation = Court magician of [[Wenceslaus IV of Bohemia]], illusionist, scam artist, livestock farmer/dealer | years_active = ca. 14th Century ...

...Lenses produced for optical applications use a wide variety of materials, from [[silicon dioxide|silica]] and conventional [[Borosilicate glass|borosilica [[File:Nimrud lens British Museum.jpg|left|thumb|Quartz lens (diameter 38 mm) from [[Nimrud]], Assyria, circa 750 BC ([[British Museum]])]] ...