They wanted to build a TX-1 at first but it was too ambitious, so they built the very minimal TX-0 instead and later the much bigger TX-2. Unfortunately there a

They wanted to build a TX-1 at first but it was too ambitious, so they built the very minimal TX-0 instead and later the much bigger TX-2. Unfortunately there are no documents on the TX-1 ideas available online. There's hardly any documents on the TX-0 even. I'd love to see the schematics :(