Atmospheric currents
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Article
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1885
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Elsevier Science
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English
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to ground and its other pole to the armature s2, and the magnet S 2. The front stop of this armature is insulated ; its back-stop is connected to the main line, through the line ul, switch U 1 and the circular table of contacts. 'Ihe local battery L, IL has its circuit closed under normal conditions