The Fisk Street turbine power station in Chicago
The invisible wheels go softly round and round—
Light is the tread of brazen-footed Power.
Spirits of air, caged in the iron tower,
Sing as they labor with a purring sound.
The abysmal fires, grated and chained and bound,
Burn white and still, in swift obedience cower;
While far and wide the myriad lamps, aflower,