On the left of the screen, a small group of men lift the top off of what appears to be a turbine with a crane and continue to check the machine, tightening various parts with wrenches.
It's one on those thingies you see at amusement parks. You get into a small gondola, the machine starts whirling about, and centrifugal force lifts the gondolas up in the air.
A camera moving forward on an overhead crane gives a traveling view of men working on machinery. Carts carrying parts and pieces of machinery pass by on rails; cranes lift machinery; and men perform their various duties, including hammering objects.
A poor family in a rundown house where snow falls through the broken roof, there's no coal to heat the pathetic little stove, mother is sick, father sends daughter out to beg.
A barmaid plies a swell with smiles and with cherries from a box that's just been delivered. When she refuses a cherry to a roughly-dressed tradesman who runs a tab at the bar, he pays off his debt in a huff, using all his week's pay.
A closeup of the steam whistle blowing at the "Westinghouse works" complex of factories in Pennsylvania, probably at the Westinghouse Electric & Manufacturing Co.