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http://inventors.about.com/library/weekly/aa102497.htm
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Edison reacted to the competition by starting a smear campaign against Westinghouse, claiming AC technology was unsafe to use. In 1887, Edison held a public demonstration in West Orange, New Jersey, supporting his accusations. Edison set up a 1,000 volt Westinghouse AC generator attached to a metal plate and executed a dozen innocent animals. The press had a field day describing the event and the new term " electrocution " was used to describe execution by electricity.
On June 4, 1888, the New York Legislature passed a law establishing electrocution as the state's method of execution, but since two potential designs (AC and DC) of the electric chair existed, it was left to a committee to decide which form was better. Edison actively campaigned for the selection of the Westinghouse chair, expecting that the consumer would not want the same type of electrical service in their homes.
Later in 1888, the Edison research facility hired inventor Harold P. Brown. Brown had recently written a letter to the New York Post describing a fatal accident where a young boy died after touching an exposed telegraph wire running on AC current. Brown and his assistant Dr. Fred Peterson began designing an electric chair for Edison. They conducted cruel experiments using dogs, horses and cows to research AC electro-cution, publicly experimenting with DC voltage to show that it left the poor lab animals tortured but not dead, then testing AC voltage to demonstrate how AC killed swiftly.
The press always invited to watch these experiments gave the research much publicity. Dr. Peterson steered the government committee that had to select the best electro-cution method. Peterson was still on the payroll of the Edison Company, so it was not surprising when the committee soon announced that the electric chair with AC voltage was chosen for the State's prison system.
On January 1, 1889, the world's first electrical execution law went into full effect. Westinghouse protested and refused to sell any AC generators directly to the New York State prison authorities. Edison and Brown found a way around Westinghouse and provided the AC generators needed for the first working electric chairs. Westinghouse funded the appeals for those first few souls sentenced to death by electrocution, the appeals were made on the grounds that "electrocution was cruel and unusual punishment." Edison and Brown both testified for the state that execution was a quick and painless form of death. The State of New York won the appeals. For many years people referred to the process of being electrocuted in the chair as being "Westinghoused".
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