- A run of the river small hydro-electric power plant from 1915.
- A vintage Lombard water wheel governor in a very old hydro plant.
- Dam # 5, circa 1946. DETAIL OF GENERATOR UNIT 2, GOVERNOR, AND SWITCHBOARD. (Courtesy of the Potomac Edison Company Library (Hagerstown, MD), Historical Data Files HAER WVA,2-HEDVI.V,1-57.tif
- DETAIL OF GENERATOR UNIT 1 AND ITS GOVERNOR Taken by Jet Lows, HAER staff photographer, September 1980 - Dam No. 5 Hydroelectric Plant, On Potomac River, Hedgesville, Berkeley HAER WVA,2-HEDVI.V,1-56.tif
- DETAIL OF LOMBARD GOVERNOR Taken by Jet Lows, HAER staff photographer, September 1980 - Dam No. 5 Hydroelectric Plant, On Potomac River, Hedgesville, Berkeley County, WV HAER WVA,2-HEDVI.V,1-59.tif
- EAST ELEVATION. NOTE MANUAL LABOR USED IN EXCAVATING TAILRACE ON LEFT, AND FORM WORK FOR CONCRETE TAILRACE WALL ON RIGHT, July 28, 1918. - Dam No. 5 Hydroelectric Plant, On HAER WVA,2-HEDVI.V,1-24.tif
- EAST VIEW SHOWING WALLS AND ROOF INSTALLED, TAILRACE EXCAVATION NEARING COMPLETION, c. 1918. - Dam No. 5 Hydroelectric Plant, On Potomac River, Hedgesville, Berkeley County, WV HAER WVA,2-HEDVI.V,1-26.tif
- General Electric Company ad from 1919.
- Hydroelectric Power Plant at Dam # 5 on the Potomac River.
- INTERIOR VIEW SHOWING GENERATOR UNIT 2 IN PLACE AND SWITCH BOARD BEING WIRED, c. 1918. - Dam No. 5 Hydroelectric Plant, On Potomac River, Hedgesville, Berkeley County, WV HAER WVA,2-HEDVI.V,1-28.tif
- Lombard type T hydraulic governor.
- Mechanicville Hydroelectric Plant
- 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
- Photocopy of photograph, October 16, 1942. VIEW, LOOKING DOWNSTREAM, OF POWER HOUSE DURING FLOOD. (Courtesy of the Potomac Edison Company Library (Hagerstown, MD), Historical HAER WVA,2-HEDVI.V,1-51.tif
- Photocopy of photograph, October 20, 1933. VIEW OF FOREBAY AND INLET OPENINGS, NOTE SLUICE GATE AND DAM AT LOWER RIGHT. (Courtesy of the Potomac Edison Company Library HAER WVA,2-HEDVI.V,1-44.tif