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Shop for Trains and Railroad Collectibles on eBay
Shop for Railroad and Train Collectibles on eBay
Enter the Classic Streamliners Bookstore.
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Classic Streamliners - TRAIN​CYCLOPEDIA

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Dr. William Robinson invented the track circuit, the fundamental unit which made possible our present automatic block signaling and interlocking systems.

Dr. William Robinson invented the track circuit, the fundamental unit which made possible our present automatic block signaling and interlocking systems.