INDUSTRY: The Unsleeping Eye

In the Baltimore & Ohio Railroad's freight yards near Chicago last week, a yard clerk walked over to an incoming train for the routine job of writing down the serial number of each freight car. When he turned in the numbers to the assistant superintendent, he was told: "I know them already. I watched the cars come in on television."

This new use of TV was an experiment which the Radio Corp. of America hopes may soon revolutionize the yard techniques of U.S. railroads. Beside B. & O.'s main incoming track, RCA had...

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