Concorde Spare Parts
Twenty odd years ago I was given the job of hand-delivering some electronic components that were made specially for the Concorde fleet. If I remember correctly, they were a custom-packaged chip of some sort. Exact part evades me now.
These chips were the last made from the last certified wafer known to exist.
Just a small illustration of the task that faces any restoration team.
Still like to see it happen, though.