- 7
- Collecting postcards is fun!
- 12
- Brad's hydroelectric power plant history project.
- Photocopy of photograph, no date. DETAIL OF SWITCHBOARD. (Courtesy of the Potomac Edison Company Library (Hagerstown, MD), Historical Data Files, Properties-Buildings and HAER WVA,2-HEDVI.V,1-60.tif
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- Legacy turbine water wheel governor history project. 9.
- 3
- S. MORGAN SMITH COMPANY CORRESPONDENCE LETTER PAGE 2 FROM FEBRUARY 27, 1907.
- Interior of the Drum Power Plant.
- Bill of laden
- 6
- Legacy turbine water wheel governor history project. 2.
- 1911 Praire de Sac
- 6