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THOMAS TIMOTH CHALONER
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THOMAS TIMOTH CHALONER
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Publication of FR507320ApublicationCriticalpatent/FR507320A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
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Engineering & Computer Science
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Mechanical Engineering
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FR507320A1918-06-251919-12-11Perfectionnements aux appareils d'arret automatiques pour trains de chemins de fer
ExpiredFR507320A
(fr)