Seller: moolie2 (3,742) 100%, Location: Story City, Iowa, Ships to: US, Item: 193019030757 Voltamp Battery No 8 Medical Quackery Device Sibley Minnesota 1899 1901 Patent. Shipped with USPS Priority Mail. I really don’t know much about this item other than it was for electroshock therapy. It appears in nice condition. I don’t know if it’s complete but you will receive everything pictured. What an incredible vintage item for any collection.