Reference Book of Parts in Connection With Inter-Locking and Block Signaling, 1894: Special Awards at World's Fair, Chicago, 1893
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This technical reference book from the Johnson Railroad Signal Company is a treasure trove of information for rail enthusiasts and historians alike. Filled with diagrams, descriptions, and specifications of inter-locking and block signaling systems, this book provides a fascinating glimpse into the early days of railroad transportation and technology. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the Uni...
This technical reference book from the Johnson Railroad Signal Company is a treasure trove of information for rail enthusiasts and historians alike. Filled with diagrams, descriptions, and specifications of inter-locking and block signaling systems, this book provides a fascinating glimpse into the early days of railroad transportation and technology. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
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