Electro-Metabograph by  Unknown Artist

Owner:Science Museum of Minnesota
Country of Origin:United States of America
Tags:Medicine and Quackery
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This device was sold by a company in Detroit, which claimed that it could cure diseases with radio waves. Each button was assigned to treat a different ailment and the patient would supposedly be healed by the radio waves generated by it. However, the machine did not actually have any radio transmission circuitry and this fraudulent machine was seized by the FDA in 1965.