Photos are indeed sparse, here's the highest-res I could find of the machine I saw at the museum (built 1979, much more compact now that we can forego the vacuu

Photos are indeed sparse, here's the highest-res I could find of the machine I saw at the museum (built 1979, much more compact now that we can forego the vacuum tubes), thankfully there are enough pixels to read the post-it note naming the machine "Marvin": https://upload.wikimedia.org/wikipedia/commons/7/7d/MIT_lisp_machine.jpg https://upload.wikimedia.org/wikipedia/commons/7/7d/MIT_lisp...