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EDMUND SPENCER TIDDEMAN
Original Assignee
EDMUND SPENCER TIDDEMAN
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Filing date
Publication date
Application filed by EDMUND SPENCER TIDDEMANfiledCriticalEDMUND SPENCER TIDDEMAN
Application grantedgrantedCritical
Publication of FR518878ApublicationCriticalpatent/FR518878A/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
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR518878A1915-05-011920-07-05Appareil de serrage de frein et d'alarme pour chemins de fer
ExpiredFR518878A
(fr)