Grinnell Waterworks
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Grinnell city waterworks in 1893. Men are gathered around the water tower. Note on back of photograph says: "Whenever there was a fire, they would raise the water pressure. When there was enough pressure it would wet the flag at the top of the pipe." The name, H.H. (Herb) Armstrong, is also written on the back. Drake Community Library (Grinnell, Iowa) Archives. Miscellaneous photographs. Collection #17-2, Grinnell Buildings.