On the Victorian skyline, fog and steam intertwined into a dim picture, and the bells of London echoed lowly along the Thames. However, this is not history as you know it. In this world, the click of gears replaces the ticking of horseshoes, copper pipes wind like the blood vessels of the city, and steam becomes the lifeblood of civilization. In the streets and alleys, mechanical devices hissed and spewed white mist, as if the city itself was a huge living machine.