1854 Patented Davis & Kidder’s Patent Magneto Electric Machine for nervous diseases This so-called electro shock machine is in a very nice wooden box made by Joseph Gray & Son. dimensions: L: 26 cm W: 12 cm H: 11.5 cm Weight: 3115 grams Beautiful and complete piece with which at the end of 1800 and early 1900 patients were helped with nerve diseases. The electric machine was used against various medical ailments such as headache, insomnia, toothache and rheumatism. These devices were very popular in the 19th century. Electric shocks were created by turning the wheel. Patient held the two handles in his hands and the flow went through the body. Is complete, including the handles and even the original sponge to amplify the effect. Including metal twisted wires. Includes also a kind of screwdriver. The rope over the wheels needs to be checked, it is too smooth and slides. Possible rubber or leather will work better. only thing missing is key of the wooden cabinet. See pictures for a good impression registered shipping