Skrivekugle

Hansen Writing Ball

The Hansen Writing Ball, the first typewriter sold commercially, invented by Rasmus Malling-Hansen around 1865, first manufactured in 1870. This was a model from 1878. This image is in the public domain in the United States as its copyright has expired. Courtesy of Wikimedia Commons: http://en.wikipedia.org/wiki/File:Skrivekugle.jpg