People Germany Karl Eduard Zetzsche peoplepill id: karl-eduard-zetzscheKEZ 2 views today 10 views this weekGerman mathematician and physicistKarl Eduard ZetzscheBiographyBibliography (1)ListsAlso ViewedThe worksBooksSources:Openlibrary1865Die Copirtelegraphen, die Typendrucktelegraphen und die Doppeltelegraphie ..Authors:Karl Eduard ZetzscheFrom our partnersSponsoredKarl Eduard Zetzsche