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13 ore 17 min, 21 giug 1885 anni - Westinghouse invents transformer for alternating current

Descrizione:

George Westinghouse had over 400 patents to his name | transformer for producing high voltage alternating current | made possible the lighting of cities and operation fo electric streetcars, subways, and electrically powered machinery / appliances

Aggiunto al nastro di tempo:

AP US History

ByZoe
10 mag 2018
1
0
1508

Data:

13 ore 17 min, 21 giug 1885 anni
Adesso
~ 140 years ago
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