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:
“Those lumbering horses in the steady plough,
On the bare field—I wonder why, just now,
They seemed terrible, so wild and strange,
Like magic power on the stony grange.”
—Edwin Muir (1887–1959)
“Have at last written another [play, i.e., Endgame].... Rather difficult and elliptic, mostly depending on the power of the text to claw, more inhuman than “Godot.””
—Samuel Beckett (1906–1989)
“Speak, nameless, power and might;
when will you leave me quite?
when will you break my wings
or leave them utterly free
to scale heaven endlessly?”
—Hilda Doolittle (1886–1961)