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Publication of FR326557ApublicationCriticalpatent/FR326557A/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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FR326557D1902-11-211902-11-21Soupape d'échappement de vapeur ou d'air pour manoeuvrer, de la voie meme, des signaux avertisseurs
ExpiredFR326557A
(fr)
Perfectionnement apporté aux systèmes de pédales agencées sur les voies ferrées pour la commande des appareils d'avertissement ou autres montées sur les locomotives, les tenders, etc.