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File:Pendule electrique l maitrier 05117.jpg

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Français : Une des premières pendules électriques, modèle français alimenté par batterie.
English: An early French electric clock, powered by a battery. This type is called an electromagnetic clock. It keeps time with a pendulum, but the pendulum receives pushes to keep it swinging by magnetic force from a solenoid electromagnet. (lower right). When the pendulum swings through its bottom position, switch contacts (center) close the circuit and a pulse of current flows through the solenoid from the battery (not shown), giving the pendulum a push.
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Author Heurtelions


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current10:27, 26 January 2009Thumbnail for version as of 10:27, 26 January 2009354 × 640 (189 KB)Heurtelions{{Information |Description={{fr|1=Une des premières pendules électriques, modèle français alimenté par batterie.}} |Source=Travail personnel |Author=Heurtelions |Date= |Permission= |other_versions= }} <!--{{ImageUpload|full}}--> [[Category:Pendulum
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