I really enjoyed reading this. I wonder where the master copies ended up. Storage? Landfill? I hope some are preserved and hung on the wall. The pen plotter so

I really enjoyed reading this. I wonder where the master copies ended up. Storage? Landfill? I hope some are preserved and hung on the wall. The pen plotter sounds phenomenal. I've used some modern budget friendly ones - but don't think they compare to what you describe here.