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CHARLES ANGEL CHARLES
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CHARLES ANGEL CHARLES
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Application filed by CHARLES ANGEL CHARLESfiledCriticalCHARLES ANGEL CHARLES
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Publication of FR516263ApublicationCriticalpatent/FR516263A/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
(AREA)
Mechanical Engineering
(AREA)
FR516263A1920-06-021920-06-02Appareil de sureté avertissant le mécanicien d'un train qu'il se trouve en voie fermée
ExpiredFR516263A
(fr)