To keep roaming dogs off his lawn, Arthur W. Burns, a Narberth, Pa. electrical engineer, strung a single wire around his property, a foot above the ground, attached the wire to his no-volt electric light system. When a trespassing dog grazed the wire last week, it got an electric shock, ran away yelping. Soon the Society for the Prevention of Cruelty to Animals heard about Mr. Burns's electric fence, asked for an injunction to compel him to remove it. Few days later the Philadelphia Electric Co. tested the fence, pronounced its amperage too low to harm dogs or children, and the...
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