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Publication of FR367614ApublicationCriticalpatent/FR367614A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/22—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails
B61L23/24—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails using token systems, e.g. train staffs, tablets
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Engineering & Computer Science
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FR367614D1906-04-191906-04-19Appareil pour recevoir, distribuer et échanger des tableaux sur les lignes de chemins de fer
ExpiredFR367614A
(fr)