three phase direct current motor generator |
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navigate by keyword : electrical mechanisms kilowatts electricity threephase direct current motor generator energy machine technique technology engineering design black white germany print publication book meyers konversations lexikon volume leipzig encyclopedia old history historical vintage antique retro ancient german rarity three phase 1910 |
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Three-phase direct current motor generator. Publication of the book "Meyers Konversations-Lexikon", Volume 2, Leipzig, Germany, 1910 |
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