“Electricity is Life” by Midland Manufacturing was one of the best-selling, coin-operated electric shock machines in the early 20th century. Produced from 1899 to 1909, it was advertised as both a strength tester and electrical therapy device. For only a penny, patrons would receive a “healthy” electrical shock to treat a variety of potential ailments. In reality, the machine provided no actual health benefits at all.
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