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Edison type "Z" direct current dynamo
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
A redesigned generator proved a key component in Thomas Edison's new lighting system. After succeeding in the lab, Edison's team made several generator types for different sized installations. All produced direct current.
National Museum of American History’s own descriptionCredit lineEdison type "Z" direct current dynamo. about 1881. Edison Electric Co.. National Museum of American History, from the University of Minnesota, thru Paul A. Cartwright. CC0.