This is the TIME3 microprocessor built from discrete transistors. You can purchase the book detailing how to build this processor which includes all schematics etc from sales@jmprecision.co.uk
The book is titled 'Computer Time Travel' and contains almost 400 pages of circuits and descriptions. It also shows how to build the same processor using logic chips as well as providing schematics for full logic gate designs using discrete transistors.
![](https://i.ytimg.com/vi/GXRp7zmWwN8/mqdefault.jpg)