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Thomas Edison, Multipolar Dynamo,1894

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Title: Thomas Edison, Multipolar Dynamo,1894

Caption: A dynamo is an electrical generator that produces direct current with the use of a commutator. Dynamos were the first electrical generators capable of delivering power for industry, and the foundation upon which many other later electric-power conversion devices were based, including the electric motor, the alternating-current alternator, and the rotary converter. Today, the simpler alternator dominates large scale power generation, for efficiency, reliability and cost reasons. Illustration from: A study of the American Commonwealth by various authors, 1894 (cropped and cleaned).

Credit: Album / Science Source / British Library

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Image size: 4650 × 2922 px | 38.9 MB

Print size: 39.4 × 24.7 cm | 1830.7 × 1150.4 in (300 dpi)

Keywords: 1894 • 19TH CENTURY • AMERICA • BW • DC POWER • DIRECT CURRENT • DYNAMO ELECTRIC MACHINE • DYNAMO • EDISON MULTIPOLAR DYNAMO • ELECTRIC GENERATOR • ELECTRICAL GENERATOR • ELECTRICITY • FACTORY MACHINERY • HISTORY • INDUSTRY • MACHINE • MACHINERY • THOMAS EDISON • USA