NationMaster - Encyclopedia: Gramme dynamo

The Gramme dynamo was an electrical generator patented in 1870 by Belgian engineer Z�nobe Gramme (April 4, 1826 - January 20, 1901). The design, using a ring armature, was an improvement on earlier dynamos and helped usher in development of large-scale electrical devices. In 1873 it was discovered that the device could be reversed to serve as a motor.

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Gramme dynamo (59 words)
	The Gramme dynamo was an electrical generator patented in 1870 by Belgian engineer Zénobe Gramme[?] (April 4, 1826 - January 20, 1901).
	The design, using a ring armature[?], was an improvement on earlier dynamos and helped usher in development of large-scale electrical devices.
	In 1873 it was discovered that the device could be reversed to serve as a motor.

Zénobe Gramme - Plagiarism on Wikipedia (420 words)
	Gramme went to work for a model maker in a firm that specialized in the manufacture of arc lamp generators.
	In 1852 Gramme was a winner of the 50,000-franc Prix Volta established by Louis-Napoleon.
	Gramme died at Bois-Colombes, France and was buried in the Père Lachaise cemetery.

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