Gramme dynamo

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Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.

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Click on image for enlargements of panel sections. The Ghent Altarpiece (open view) by Jan and Hubert van Eyck, 1432, polyptych with 12 panels, oil on panel; in the Cathedral of Saint-Bavon, Ghent, Belg.

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Gramme dynamo

device

Learn about this topic in these articles:

electric generators

In energy conversion: Electric generators and motors
Dubbed the Gramme dynamo, this device contributed much to the general acceptance of electric power. By the early 1870s Gramme had developed several other dynamos, one of which was reversible and could be used as an electric motor. Electric motors, which convert electrical energy to mechanical energy,…
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work of Gramme

In Zénobe-Théophile Gramme
In 1873 a Gramme dynamo was exhibited at the Vienna exhibition, where it was demonstrated that the device was reversible and could be used as an electric motor.
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