Matches in DBpedia 2014 for { ?s ?p The Hall Signal Company was an American manufacturer of railway signaling equipment in the 19th and 20th centuries. Hall's equipment was widely used by American railroad companies. The company's founder, Thomas S. Hall, was an inventor who developed several important devices in the history of railway signalling.. }
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- Hall_Signal_Company comment "The Hall Signal Company was an American manufacturer of railway signaling equipment in the 19th and 20th centuries. Hall's equipment was widely used by American railroad companies. The company's founder, Thomas S. Hall, was an inventor who developed several important devices in the history of railway signalling.".