Turbine pit on the grounds of the U.S. Rifle Factory at Harpers Ferry, February 1987. The pit housed an Ames Company Boyden turbine installed in 1853 for the Rifle Factory's Machine Shop. 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.