Karl Eduard Zetzsche

He studied in Dresden and Vienna, and in 1856 entered the Austrian telegraph service. In 1858, he became a teacher in the industrial high school at Chemnitz and, in 1876, a professor of telegraphy in the Polytechnic Institute at Dresden. In 1880, he was appointed telegraph engineer in the Imperial Post Office at Berlin. In 1887, he retired from public service.

• Die Kopiertelegraphen, Typendrucktelegraphen und die Doppeltelegraphie (1865)
• Die elektrischen Telegraphen (1860)
• Katechismus der elektrischen Telegraphie (6th ed., 1883)
• Abriss der Geschichte der elektrischen Telegraphie (1874)
• Die Entwickelung der antomatischen Telegraphie (1875)
• Handbuch der elektrischen Telegraphie (together with Frölich, Henneberg, and Kohlfürst) (1877–1895)

• Gilman, D. C.; Peck, H. T.; Colby, F. M., eds. (1905). "Zetzsche, Karl Eduard" . New International Encyclopedia (1st ed.). New York: Dodd, Mead. This work in turn cites: Voretzsch, Zur Erinnerung an K. E. Zetzsche (Altenburg, 1894)

 This article incorporates text from a publication now in the public domain: Gilman, D. C.; Peck, H. T.; Colby, F. M., eds. (1905). "Zetzsche, Karl Eduard". New International Encyclopedia (1st ed.). New York: Dodd, Mead.

Wilhelm Heß (1900), "Zetzsche, Karl Eduard", Allgemeine Deutsche Biographie (ADB) (in German), 45, Leipzig: Duncker & Humblot, pp. 119–121

• Works by or about Karl Eduard Zetzsche at Internet Archive