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:
“Great is Truth, and mighty above all things.”
—Apocrypha. 1 Esdras, 4:41.
Acclamation following the speech of the bodyguard of King Darius, who proclaimed the power of truth, “the strength, kingdom, power, and majesty of all ages.”
“Now narrow minds can develop as well through persecution as through benevolence; they can assure themselves of their power by tyrannizing cruelly or beneficently over others; they go the way their nature guides them. Add to this the guidance of interest, and you will have the key to most social riddles.”
—Honoré De Balzac (1799–1850)
“No other human being, no woman, no poem or music, book or painting can replace alcohol in its power to give man the illusion of real creation.”
—Marguerite Duras (b. 1914)