Today we jump around the subject of early typewriters more than your fingers do when typing on a QWERTY keyboard. Article: https://en.wikipedia.org/wiki/Sholes_and_Glidden_typewriter
Writing Ball: https://en.wikipedia.org/wiki/Hansen_Writing_Ball#/media/File:Schreibkugel_von_Hans_Rasmus_Johann_Malling_Hansen_01.jpg
