The Merganthaler Diagrammer
last updated: Oct 20, 2023
https://archive.org/details/the-diagrammer-by-mergenthaler-1970-75532300
This machine from 1970 for drawing diagrams on photographic paper has a beautiful UI, and it's worth stopping to think about in what ways it's better than modern tools for similar work, and in which ways it's worse.
Plus, look at that keyboard:
