IBM Selectric Typewriter and its mechanical digital to analogue converter [video]

4 points by pbtflakes 9 years ago | 1 comment

pbtflakes 9 years ago |

The appendix to this video [0] goes into the specific operation of the Whiffletree mechanism.

pbtflakes 9 years ago |

The appendix to this video [0] goes into the specific operation of the Whiffletree mechanism.