Power
From its inception, the subway used trolleys powered by electricity from overhead lines, made possible by the invention of the trolley pole in 1880 by Frank J. Sprague. However, the modern line has been pantograph-only since the trolley wires were modified in the 1990s.
Read more about this topic: Tremont Street Subway
Famous quotes containing the word power:
“Immediately aware that power had gone forth from him, Jesus turned about in the crowd and said, “Who touched my clothes?””
—Bible: New Testament, Mark 5:30.
“You don’t have power if you surrender all your principles—you have office.”
—Ron Todd (b. 1927)
“Will power is only the tensile strength of one’s own disposition. One cannot increase it by a single ounce.”
—Cesare Pavese (1908–1950)
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