This is a work in progress.
All of the IP belongs to the Computer Conservation Society this project is purely to convert the diagrams to KiCAD as a format with greater utility. https://computerconservationsociety.org/ssemvolunteers/volunteers/index.html
I do not claim any rights whatsoever.
If anyone want to do help out with checks or corrections let me know and I'll try and work out how Merge works.