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Publication of FR655895ApublicationCriticalpatent/FR655895A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/12—Visible signals
B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
B61L5/1809—Daylight signals
B61L5/1881—Wiring diagrams for power supply, control or testing
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FR655895D1927-10-271927-10-27Régulateur automatique d'intensité pour appareils de signalisation
ExpiredFR655895A
(fr)