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This shocking picture shows Joan Wills screaming as she comes within range of a zone in the water electrified by the “Neptune's Fork” held by Henry T. Burkey in Hollywood, Calif., where he lives, August 22, 1952. Burkey, an electrical engineer, designed the gadget for use by victims of shipwrecks of air crashes over shark-infested waters. The device consists of two electrodes connected to batteries in the waterproof handle. The electrodes create an electrified zone in the water to repel attacking fish. He says the device is shockproof to the user. (Photo by Don Brinn/AP Photo)
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