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Application filed by Keenan Charles Edouard OfiledCriticalKeenan Charles Edouard O
Publication of CH66353ApublicationCriticalpatent/CH66353A/fr
G04C13/00—Driving mechanisms for clocks by primary clocks
G04C13/02—Circuit arrangements; Electric clock installations
G04C13/027—Circuit arrangements; Electric clock installations primary-secondary systems using transmission of other driving signals, e.g. coded signals
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General Physics & Mathematics
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CH66353A1914-01-141913-09-08Installation de distribution électrique de l'heure
CH66353A
(fr)