Please note that this is only listed as parts because it is 100% untested and has yet to be plugged in after sitting safely in climate controlled storage for many years - Ensuring you have the opportunity to safely bring the capacitors & tubes on a Variac to help preserve their integrity. A very unique piece of history as this tube tester was last used at Northwestern University in the 1940’s and 1950’s in their physics and electrical engineering division. In great shape for its age although the case does have some signs of wear. The actual tube tester itself is in excellent shape with minimal markings and imperfections. Tons of documentation is included with this tester. Cord is still extremely supple and hydrated. A 1 of 1 piece of history, this tube tester is ready for a new loving home.