The TEC-1 was a hobby project published and sold in kit form by Talking Electronics magazine in Australia.
Such is the following of this design that descendant designs continue to be produced.
A man turned up with one at an ARC meet with one that was surplus to his requirements, and i was happy to relieve him of it. It even came with a kit logic probe from the same publication.
A particular highlight of this particular build is the mains step down transformer being housed in the cardboard box in which it was originally mailed. Nevertheless, this unit was successfully tested and tagged recently.