Week 6

Prof Morehouse shared memories of the mathematical culture of preparing documents.  He tried to explain how docs were typed on an electric typewriter (the IBM Selectric) which had removeable heads.  Just to help you imagine, here's an image of a Selectric (mine was green not red).

YouTube has quite a few videos showing how this machine worked:  https://www.youtube.com/watch?v=vOIPN70f_-I.  They were nothing if not noisy.