Threshing at the George W. Butcher farm using horse power, Custer Co...
original size: 6x8 Public domain photograph - historical image of Nebraska, United States, free to use, no copyright restrictions image - Picryl description
Says TVA inadequate for power needs in Tennessee Valley. Washington, D...
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Construction of electric power dam at Thompson Falls, Mont.
J190447 U.S. Copyright Office Copyright deposit; E. J. Frazier; January 18, 1915. Copyright claimant's address: Thompson Falls, Mont.
Potomac Electric Power Co. Fresco painting at Potomac Electric Power C...
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Potomac Electric Power Co. Board grid with layout of power flow II
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Electric Institute of Washington, Potomac Electric Power Co. Building....
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Electric Institute of Washington, Potomac Electric Power Co. Building....
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Electric Institute of Washington, Potomac Electric Power Co. Building....
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Potomac Electric Power Co. old electric appliances. Poster with images...
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Electric Institute of Washington, Potomac Electric Power Co. Building....
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Potomac Electric Power Co. Fresco work in Potomac Electric Power Co. B...
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Potomac Electric Power Co. Building. Model home entry front of Potomac...
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Electric Institute of Washington, Potomac Electric Power Co. Building....
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Wasted Wealth in the Balkans. Thousands of dollars worth of "white coa...
Title, date and notes from Red Cross caption card. Photographer name or source of original from caption card or negative sleeve: ARC Paris Office. Group title: General, Montenegro. On caption card: (1/1901) Use... More
Potomac Electric Power Co. Plaster models of electrical history at Pot...
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Electric Institute of Washington, Potomac Electric Power Co. Building....
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Potomac Electric Power Co. electric appliances. Electrical appliances ...
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Potomac Electric Power Co. Building. Women's club room in Potomac Elec...
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Potomac Electric Power Co. Building. Potomac Electric Power Co. store ...
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Electric Institute of Washington, Potomac Electric Power Co. building....
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Electric Institute of Washington, Potomac Electric Power Co. building....
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Potomac Electric Power Co. Power line near Washington Grove VII
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Potomac Electric Power Co. service station. Lux fire control in servic...
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Potomac Electric Power Co. substations. Substation on Wisconsin Ave. w...
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Electric Institute of Washington, Potomac Electric Power Co. building....
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Electric Institute of Washington, Potomac Electric Power Co. Building....
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Electric Institute of Washington, Potomac Electric Power Co. Lecture i...
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Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
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Potomac Electric Power Co. apartments and kitchens. Frontal view of a ...
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Potomac Electric Power Co. substations. Substation no. 38 transformer ...
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Potomac Electric Power Co. Building. Control board on 9th floor of Pot...
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Potomac Electric Power Co. air conditioning and lighting. Zirkin furs ...
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Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
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Electric Institute of Washington, Potomac Electric Power Co. Building....
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Potomac Electric Power Co. apartments and kitchens. Cafritz Apartments...
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Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
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Potomac Electric Power Co. apartments and kitchens. 2000 Connecticut A...
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Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
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Electric Institute of Washington, Potomac Electric Power Co. Building....
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Potomac Electric Power Co. substations. Substation exterior II
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Potomac Electric Power Co. apartments and kitchens. North Englewood ap...
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Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Board of ...
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Potomac Electric Power Co. apartments and kitchens. Houses and telepho...
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Potomac Electric Power Co. apartments and kitchens. Bay State Apartmen...
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Potomac Electric Power Company. Mr. Barnes of PEPCO I
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Potomac Electric Power Co. Power line near Washington Grove VI
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Potomac Electric Power Co. air conditioning and lighting. Kent's jewel...
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Potomac Electric Power Co. miscellaneous. Potomac Electric Power Co. a...
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Post Office Department Building (Old Post Office Building or Pavilion)...
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. building....
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Potomac Electric Power Co. Building. Transformer explosion VI
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Potomac Electric Power Co. miscellaneous. Railroad scene at 9th St. an...
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Potomac Electric Power Co. electric appliances. Hair dryer and curling...
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Electrical cooperatives. The wholesale power of the Authority is distr...
Public domain photograph of life in the United States in the 1930s, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. model home. Bedroom in model home II
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The Mikado's representative, Washington, D.C., September 11. Mr. and M...
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Aboard a trawler. The nets come aboard. Each net (there are two) usual...
Public domain photograph - historical image of Massachusetts, United States, free to use, no copyright restrictions image - Picryl description
A black and white photo of a machine, Louisiana. Farmers during Great ...
Picryl description: Public domain image of an industrial building, power plant, electric generator, 20th century architecture, free to use, no copyright restrictions.
Electric Institute of Washington, Potomac Electric Power Co. Building....
Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in the Washington D.C. metropolitan area, including the District of Columbia and parts of ... More
Potomac Electric Power Co. Building. Christmas 1938 day, Potomac Elect...
Picryl description: Public domain image of a department store, commercial building, downtown, shopping center, 19th-20th century, free to use, no copyright restrictions.
Electric Institute of Washington, Potomac Electric Power Co. Building....
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Electric Institute of Washington, Potomac Electric Power Co. Range dis...
Public domain photograph of commerce and advertising, 1920s-1930s America, free to use, no copyright restrictions image - Picryl description
A black and white photo of smoke coming out of a chimney, Great Depres...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Marine lieutenant, pilot with the power towing plane for the training ...
Picryl description: Public domain image of a pilot, aviator, aircraft, free to use, no copyright restrictions.
Electric Institute of Washington, Potomac Electric Power Co. Building....
Picryl description: Public domain image of a department store, commercial building, downtown, shopping center, 19th-20th century, free to use, no copyright restrictions.
A black and white photo of two men working on a machine. Great Depress...
Picryl description: Public domain photograph of a worker, construction, carpenter, 1930s, free to use, no copyright restrictions.
Chrysler tank arsenal. Another day's work done. These are workers at t...
Public domain photograph - working class people, the 1930s United States, work, labor, worker, free to use, no copyright restrictions image - Picryl description
Shearing a goat with machine equipment. Power is supplied by automobil...
Public domain photograph of an automobile, car, the 1920s or 1930s, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Refrigera...
Public domain photograph of commerce and advertising, 1920s-1930s America, free to use, no copyright restrictions image - Picryl description
Filling tank of converted automobile which supplies power for FSA (Far...
Picryl description: Public domain photograph of migrant workers, 1930s car, Great Depression, Dust Bowl refugees, poverty, economic conditions, free to use, no copyright restrictions.
Potomac Electric Power Co. substations. Substation no. 38 window displ...
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Electric Institute of Washington, Potomac Electric Power Co. building....
Picryl description: Public domain image of a department store, commercial building, downtown, shopping center, 19th-20th century, free to use, no copyright restrictions.
Flour mill in Vernon, New York which still uses water power for grindi...
Picryl description: Public domain image of a rural landscape with a watermill, water, decayed building, 18th, 19th century architecture, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Christmas 1941, Potomac Electric ...
Picryl description: Public domain image of a department store, commercial building, downtown, shopping center, 19th-20th century, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Air raid equipments and personnel...
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Red Cross window
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Potomac Electric Power Co. substations. Substation no. 38 window displ...
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Potomac Electric Power Co. Building. Window on conservation II
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Electric power shovels scoop up iron ore; eight cubic yards per shovel...
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Fort Knox. Electric power line construction. This tractor operator, wo...
Picryl description: Public domain image of a farmer worker, 20th-century dust bowl, great depression era, free to use, no copyright restrictions.
Production. A-20 attack bombers. Fuselages of A-20 attack bombers awai...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Production. Mercury. A power shovel loading mercury ore from an open-c...
Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Unveiling of honor roll plaque II...
Public domain image of personnel, army, group of people in uniform, parade, historic place, military activity, free to use, no copyright restrictions - Picryl description
Tennessee Valley Authority. Watts Bar Dam hydroelectric plant. Checkin...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
Tennessee Valley Authority. Construction of Douglas Dam. Plenty of wor...
Picryl description: Public domain image of a farmer, 1930s, 20th-century dust bowl era, free to use, no copyright restrictions.
Fort Knox. Electric power line construction. The electrical industry o...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Tennessee Valley Authority. Scroll case walls for two generators at a ...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
Tennessee Valley Authority power and conservation. Fort Loudoun Dam co...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
Pack artillery troops on the march during maneuvers. Horse power gives...
Picryl description: Public domain image of horse riding, cavalry, military, free to use, no copyright restrictions image.
Dunklin County, Missouri. Tomatoes at a cannery operated by U.S. Rural...
Picryl description: Public domain image of food, dinner, grocery store, eating, 1930s, mid-20th-century United States, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Unveiling of honor roll plaque I
Public domain image of personnel, army, group of people in uniform, parade, historic place, military activity, free to use, no copyright restrictions - Picryl description
Production. Small ramp boats. A thirty-six-foot wooden ramp boat, just...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Tennessee Valley Authority power and conservation. Fort Loudoun Dam co...
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
Tennessee Valley Authority. Construction of Douglas Dam. A log cofferd...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
Tennessee Valley Authority. Construction of Douglas Dam. Excavating wi...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
Tennessee Valley Authority. Construction of Douglas Dam. Cranes that ...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Dante Electric Company, Bantam, Connecticut. Mrs. Dante punching holes...
Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less
Transformer manufacture. A large Eastern electrical company where huge...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.