1950's? Psychiatric Hospital Electrical Device - "The Evaluator!"

What is it's job? What does this creepy thing do? I can only Imagine! Let's take it apart and find out. To learn electronics in a very different and effective way, and gain access to Mr Carlson's personal designs and inventions, visit the Mr Carlson's Lab Patreon page here: https://www.patreon.com/MrCarlsonsLab #restoration #electronics #repair