Vintage Adjust-a-volt Variac Standard Electric. This piece was tested do because of my new damage that was found on side. This is how I was pulled off to show something was leaning against it. There is a little rust on a couple of the screws that are steel. That being said is pieces in good condition. Put out by standard electric production company Dayton Ohio. Input is 230 output is 0 to 270 , maximum KVA point 81 amps 3.0.