Category:Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER

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Media in category "Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER"

The following 63 files are in this category, out of 63 total.

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  Credit CM. General interior view, before construction of operator's booth. Photo c. 1909. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-35.tif 5,000 × 4,021; 19.18 MB
  
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  Credit CM. Water flowing into forebay through head gates at left. Photo c. 1936. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-21.tif 5,000 × 4,006; 19.1 MB
  
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  Credit CM. Water flowing through head gates (at left), into open forebay of power house. Note wooden stair enclosure in Turbine pit 1. Photo c. 1936. - Dam No. 4 Hydroelectric HAER WVA,2-SHEP.V,1-20.tif 5,000 × 3,991; 19.03 MB
  
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  Credit JTL. Combard Type 'O' governor and generator Unit 1. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-37.tif 5,000 × 3,970; 18.93 MB
  
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  Credit JTL. East elevation - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-16.tif 5,000 × 3,986; 19.01 MB
  
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  Credit JTL. Exterior transformer bank; note lightning arrestors removed from pad and smaller arrestors installed on transformers and in area near air switches. - Dam No. 4 HAER WVA,2-SHEP.V,1-32.tif 4,017 × 5,000; 19.16 MB
  
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  Credit JTL. General interior view looking north. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-34.tif 5,000 × 3,990; 19.03 MB
  
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  Credit JTL. Generator Unit 1 and upper sheave wheel. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-38.tif 5,000 × 3,994; 19.05 MB
  
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  Credit JTL. South elevation. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-24.tif 5,000 × 3,997; 19.06 MB
  
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  Credit JTL. Turbine pit 1, close view of turbine wicket gates and access plate into turbine. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-28.tif 5,000 × 3,993; 19.04 MB
  
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  Credit JTL. Turbine pit 1, Leffel turbines and wicket gates. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-27.tif 5,000 × 3,990; 19.03 MB
  
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  Credit JTL. View dam into Turbine pit 1, with two dual runner, Leffel turbines. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-26.tif 3,994 × 5,000; 19.05 MB
  
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  Credit JTL. View down into sheave pit No. 1, showing lower sheave wheel. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-40.tif 5,000 × 3,988; 19.02 MB
  
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  Credit JTL. View down into unfinished Turbine pit 3. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-29.tif 3,987 × 5,000; 19.01 MB
  
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  Credit JTL. View into main power console, knife throw circuit breakers and oil circuit breaker. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-39.tif 3,968 × 5,000; 18.92 MB
  
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  Credit JTL. View of Dam No. 4 Power house from across river on Maryland side. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-10.tif 5,000 × 3,998; 19.07 MB
  
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  Credit JTL. View of Dam No. 4 Power house from across river on Maryland side. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-9.tif 4,006 × 5,000; 19.1 MB
  
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  Credit JTL. View of east elevation of power house and dam. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-23.tif 5,000 × 3,993; 19.04 MB
  
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  Credit JTL. View of Generator unit 2 and exciter belt. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-36.tif 5,000 × 3,973; 18.95 MB
  
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  Credit JTL. View of power house and dam from operator's house, looking toward Maryland. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-18.tif 5,000 × 3,990; 19.03 MB
  
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  Credit JTL. View of south and west facades of power house, along with exterior transformer bank. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-22.tif 5,000 × 3,984; 19 MB
  
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  Credit JTL. West elevation - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-25.tif 5,000 × 3,986; 19.01 MB
  
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  Credit PED. Construction view of building and excavation of tail races. Photo c. 1909. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-13.tif 5,000 × 3,993; 19.04 MB
  
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  Credit PED. Downstream elevation of plant in operation; note transformers to left of building. Photo c. 1936. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, HAER WVA,2-SHEP.V,1-15.tif 5,000 × 4,002; 19.09 MB
  
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  Credit PED. Downstream elevation, near completion, showing tail race and trestle used to carry excavated rock and construction materials across tail race. Photo c. 1909. - Dam HAER WVA,2-SHEP.V,1-14.tif 5,000 × 3,988; 19.02 MB
  
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  Credit PED. Exterior transformer bank, showing cylindrical lighting arrestors on pad behind metal swatch tower. Photo c. 1936. - Dam No. 4 Hydroelectric Plant, Potomac River, HAER WVA,2-SHEP.V,1-31.tif 4,002 × 5,000; 19.09 MB
  
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  Credit PED. General interior view. Note wooden operator's booth and stair enclosure on left wall. Photo c. 1910. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, HAER WVA,2-SHEP.V,1-33.tif 5,000 × 3,991; 19.03 MB
  
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  Credit PED. View of Downstream elevation showing two of three tail race openings and completion of roof. Photo c. 1909. - Dam No. 4 Hydroelectric Plant, Potomac River, HAER WVA,2-SHEP.V,1-11.tif 5,000 × 3,994; 19.05 MB
  
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  Credit PED. View of open forebay, showing installation of turbine pit gates. Photo c. 1909. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-19.tif 5,000 × 3,993; 19.04 MB
  
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  Credit PED. View of original substation, located on the hill above the power house. Transformers destroyed by fire in 1919. - Dam No. 4 Hydroelectric Plant, Potomac River, HAER WVA,2-SHEP.V,1-30.tif 5,000 × 4,020; 19.17 MB
  
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  Credit PED. View of power house and dam from operator's house, looking toward Maryland. Note the absence of transformers adjacent to power house. Photo c. 1910. - Dam No. 4 HAER WVA,2-SHEP.V,1-17.tif 5,000 × 4,002; 19.09 MB
  
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  Credit PED. View of tail race and dam showing dumping of construction rubble into river bed by rail car; and preparations for pouring a concrete cap onto tail race wall. Photo c HAER WVA,2-SHEP.V,1-12.tif 5,000 × 4,014; 19.14 MB
  
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  Credit PEM. Interior of Martinsburg plant showing two MacIntousch Seymore steam engines and one Taylor steam engine belt driving (from let to right) a sperry 30 light, 220 Volt HAER WVA,2-SHEP.V,1-3.tif 5,000 × 4,006; 19.1 MB
  
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  Credit PEM. Interior of Martinsburg Plant, showing Atlas Corliss 1000 hp steam engine and sheave wheel which powered a Warren 500 KW revolving field generator (which doesn't HAER WVA,2-SHEP.V,1-5.tif 5,000 × 3,953; 18.85 MB
  
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  Credit PEM. Interior of Martinsburg Plant, showing installation of Warren 500 KW, 2200 Volt revolving field a.c. generator and sheave wheel, to be connected to Atlas Corliss 1000 HAER WVA,2-SHEP.V,1-6.tif 5,000 × 4,001; 19.08 MB
  
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  Credit PEM. Interior of Martinsburg Plant, showing Warren 500 KW, 2200 Volt generator, with horizontal rode driven sheave wheel to right, belt-driven exciter in center, and HAER WVA,2-SHEP.V,1-7.tif 5,000 × 4,015; 19.15 MB
  
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  Credit PEM. Interior of Martinsburg Plant; on right showing Taylor 150 hp steam engine belt-connected to a Warren 150 KW, 2200 Volt a.c. generator. On left, a Fisher 400 hp steam HAER WVA,2-SHEP.V,1-4.tif 4,794 × 3,757; 17.18 MB
  
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  Credit PEM. Old Swartz Mill on Water Street, Martinsburg, WV. Acquired by Edison Illuminating Co. in 1889. Served as first generating plant for Martinsburg. Photo c. 1890. - Dam HAER WVA,2-SHEP.V,1-1.tif 5,000 × 3,992; 19.04 MB
  
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  Credit PEM. View of Martinsburg Power Company steam generating plant. From right to left- original 1889 generating building, transformer room, new generating room and, adjacent HAER WVA,2-SHEP.V,1-2.tif 5,000 × 4,006; 19.1 MB
  
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  Credit PEP. View of interior of Martinsburg Plant, showing switchboard as modified to accomodate interconnection with Dam 4 and Dam 5 plants. Photo c. 1920. - Dam No. 4 HAER WVA,2-SHEP.V,1-47.tif 5,000 × 4,000; 19.08 MB
  
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  Credit TR. Dam No. 4 after 1936 flood from downstream showing break closed and installation of new concrete cap piece under way. Photo c. 1936. - Dam No. 4 Hydroelectric Plant, HAER WVA,2-SHEP.V,1-44.tif 5,000 × 4,015; 19.15 MB
  
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  Credit TR. Dam No. 4 after 1936 flood from Maryland Side. Note workman placing concrete cap on dam at left. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley HAER WVA,2-SHEP.V,1-46.tif 5,000 × 3,991; 19.03 MB
  
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  Credit TR. Dam No. 4 after 1936 flood. Note coffer dam which is visible below roadway. Photo c. 1936. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley HAER WVA,2-SHEP.V,1-45.tif 5,000 × 3,978; 18.97 MB
  
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  Credit TR. Dam No. 4 after 1936 flood; break as seen from upstream side. Photo c. 1936. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-41.tif 5,000 × 4,008; 19.11 MB
  
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  Credit TR. Dam No. 4 after 1936 flood; break as seen from upstream. Note original timber cribbing to left. Photo c. 1936. - Dam No. 4 Hydroelectric Plant, Potomac River, HAER WVA,2-SHEP.V,1-42.tif 5,000 × 3,990; 19.03 MB
  
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  Credit TR. Reconstruction of Dam No. 4 after 1936 flood. Pouring concrete for new dam section; opening at left for flume to remove water from behind coffer dam. Photo c. 1936 - HAER WVA,2-SHEP.V,1-43.tif 5,000 × 3,998; 19.07 MB
  
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  Detail of rope drive tension carriage stationary sheave. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-57.tif 3,989 × 5,000; 19.02 MB
  
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  Detail view of bottom of rope drive sheave wheel pit. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-58.tif 5,000 × 3,930; 18.74 MB
  
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  Detail view of connection between upper sheave wheel and Generator No. 2. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-53.tif 3,981 × 5,000; 18.99 MB
  
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  Detail view of exciter for Generator No. 2. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-60.tif 5,000 × 3,982; 18.99 MB
  
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  Detail view of Generator No. 2. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-54.tif 3,982 × 5,000; 18.99 MB
  
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  Detail view of rope drive tension carriage moveable sheave. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-56.tif 4,020 × 5,000; 19.17 MB
  
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  Detail view of upper sheave wheel. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-52.tif 5,000 × 3,994; 19.05 MB
  
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  Early stage of power house construction at Dam No. 4, showing two stiff leg derricks used to excavate limestone for power house building. Photo c. 1907. Credit PEM. - Dam No. 4 HAER WVA,2-SHEP.V,1-8.tif 5,000 × 4,002; 19.09 MB
  
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  View looking up from bottom of rope drive sheave wheel pit. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-55.tif 5,000 × 3,976; 18.96 MB
  
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  View of bottom of rope drive sheave wheel pit. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-59.tif 5,000 × 3,946; 18.82 MB
  
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  View of control panel. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-61.tif 4,008 × 5,000; 19.11 MB
  
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  View of Dam 4 looking between turbine pit and powerhouse. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-48.tif 5,000 × 3,980; 18.98 MB
  
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  View of exciter control panel. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-62.tif 3,990 × 5,000; 19.03 MB
  
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  View of Generator No. 2 and upper sheave wheel. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-51.tif 5,000 × 3,970; 18.93 MB
  
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  View of HAER Principal Architect, Eric DeLony, photographing interior of power plant. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-63.tif 4,748 × 3,762; 17.04 MB
  
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  View of interior of powerhouse showing Generator units 1 and 2 and upper sheave wheels. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-50.tif 5,000 × 3,994; 19.05 MB
  
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  View of turbine pit gate mechanisms. - Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV HAER WVA,2-SHEP.V,1-49.tif 5,000 × 3,988; 19.02 MB