George Westinghouse: Fabulous InventorDodd, Mead, 1943 - 235 halaman |
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Halaman 132
... alternating current distribution . It was patented in 1886- the same year in which the first Burlington air - brake ... alternating cur- rent development on a large scale could become practical . No one was more keenly aware than George ...
... alternating current distribution . It was patented in 1886- the same year in which the first Burlington air - brake ... alternating cur- rent development on a large scale could become practical . No one was more keenly aware than George ...
Halaman 133
... alternating - current meter . His tri- umph was made all the sweeter by his chief's warm con- gratulations . " Fine work , Oliver , fine work , " George Westinghouse said , as he tested the new device with keen admiration . “ It's ...
... alternating - current meter . His tri- umph was made all the sweeter by his chief's warm con- gratulations . " Fine work , Oliver , fine work , " George Westinghouse said , as he tested the new device with keen admiration . “ It's ...
Halaman 164
... alternating current system with high - voltage trolley and low - voltage series - wound motors . The announcement of the new motor in 1902 started a large - scale development of electric trolleys for rapid inter- urban transit ...
... alternating current system with high - voltage trolley and low - voltage series - wound motors . The announcement of the new motor in 1902 started a large - scale development of electric trolleys for rapid inter- urban transit ...
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