Iron drive shafts from four Leffel turbines in the old Cotton Factory. These turbines powered a flour mill in the building between 1867-1889. Year: 1987. Image Credit: Copyright © 1987 by David T. Gilbert.

This image is not part of the Harpers Ferry NHP photograph collections. It is included in this online archive for educational purposes only. In addition, this image may be protected by copyright or other use restrictions.