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Galileo Ferraris

Ferraris, Galileo (gälēlāˈō fār-räˈrēs) [key], 1847–97, Italian physicist and electrical engineer. He is noted for his work on alternating current and for his discovery (1885) of the rotary magnetic field, through which he promoted the development of alternating-current motors.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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