1943 GP-2 HG Fischer Diathermy Apparatus 4 spark gap

The HG Fischer 4 spark gap diathermy apparatus is a medical device that delivers electro shock treatment at variable frequencies to a patient.  This unit is fully functionable.  Its case's exterior has signs of aging but can be restored as the flaws are minor.  The control panel is in mint condition. You can see your own reflection off of the surface. All switches, knobs, contacts, and meter function proper and crisp.  All mounting scews are stainless and flawless.  On the underside of the cases lid is FCC form id 410a Certificate issued by the United States Federal Communications Commision in Jan 1943.