Category:Rectification of alternating currents by means of a carbon arc (1912)
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Media in category "Rectification of alternating currents by means of a carbon arc (1912)"
The following 2 files are in this category, out of 2 total.
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Rectification of alternating currents by means of a carbon arc (1912) (14597724478).jpg 1,054 × 1,874; 258 KB
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Rectification of alternating currents by means of a carbon arc (1912) (14761380926).jpg 2,653 × 3,658; 478 KB