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Dayton, Ohio, circa 1902. "Binding department, National Cash Register." Note the "Guard Your Cash" poster near the center of the frame. 8x10 inch glass negative by William Henry Jackson, Detroit Publishing Company. View full size.
Lots of knob and tube wiring. At least they have a sprinkler system.
That's an interesting skirt length - perfectly reasonable for today, but "interesting" for a heroine figure in 1902.
I can only imagine the crowd reaction if a girl actually wore that on the street back then.
[I believe the figure in the poster is supposed to represent an ancient warrior goddess, along the lines of a Wagnerian valkyrie. Which I suppose would catch some attention on the streets of Dayton even today. - tterrace]
And she's wearing her thinking cap.
At least four women at the front are involved in making those frilly crêpe paper-covered hat-like things: containers, apparently, but I can't figure the cash register angle.
Also, there's one in every crowd:

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