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. Window display on fourth floor I
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Electric Institute of Washington. Kitchen, 4914 16th St., before I
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Electric Institute of Washington. Scene in Rock Creek Park of picnic f...
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Electric Institute of Washington, Potomac Electric Power Co. Lecture i...
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Electric Institute of Washington. Small display room on 4th floor
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Electric Institute of Washington. School children of Hyattsville cooki...
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Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
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Electric Institute of Washington. Electric cooker VI
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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. Nelson Eddy
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Electric Institute of Washington, Potomac Electric Power Co. Building....
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Electric Institute of Washington. Refrigerator window display II
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Electric Institute of Washington. Refrigerator display, first floor I
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Potomac Electric Power Co. apartments and kitchens. Cafritz Apartments...
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Electric Institute of Washington. New houses at Cabin John, Maryland I...
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Electric Institute of Washington. Electric cooker 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. 2000 Connecticut A...
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Potomac Electric Power Co. apartments and kitchens. Cambridge Construc...
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Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
Picryl description: Public domain image of a classroom, college auditorium, school, students, teacher, teaching, studying, education, free to use, no copyright restrictions.
Potomac Electric Power Co. apartments and kitchens. Apartment house on...
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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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Electric Institute of Washington snap shots for movies and films. Two ...
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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. Board of ...
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Electric Institute of Washington. Cooking and planning III
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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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Electric Institute of Washington. Window display III
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Potomac Electric Power Co. miscellaneous. Potomac Electric Power Co. a...
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Electric Institute of Washington. June bride display
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Post Office Department Building (Old Post Office Building or Pavilion)...
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Electric Institute of Washington. Discharge emblem
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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
Potomac Electric Power Co. model home. Bedroom in model home II
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Electric Institute of Washington. Interior of store, Christmas 1935 II...
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Back in lobby limelight. Howard C. Hopson, Associated Gas & Electric k...
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Hopson explains AG&E set-up. Howard C. Hopson, utility mogul, points o...
A group of men standing in front of a white board. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington. Refrigerator display II
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Potomac Electric Power Co. houses. Harvey house on 45th St.
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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. Building. Christmas 1938 day, Potomac Elect...
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Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
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
[Electric phosphate smelting furnace used in the making of elemental p...
Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.
World's Fair. Night view of Petroleum Industry Exhibition, United Stat...
Picryl description: Public domain image of a picnic in the park, outdoor activity, leisure time, free to use, no copyright restrictions. The New York World's Fair was a large international exposition held in N... More
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.
Steel alloy manufacture. Allegheny Ludlum Steel Corporation, Brackenri...
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Electric Institute of Washington. Christmas tree II
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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
Traffic congestion in Groton, Connecticut, at afternoon change of shif...
Picryl description: Public domain historical photograph of 1930s America during the Great Depression, free to use, no copyright restrictions image.
Potomac Electric Power Co. substations. Substation no. 38 window displ...
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FSA (Farm Security Administration) trailer camp for defense workers, s...
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Mrs. Jack Cutter and two children in their trailer at FSA (Farm Securi...
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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.
Girl employed at National Electric Products Company, Ambridge, Pennsyl...
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Potomac Electric Power Co. Building. Christmas 1941, Potomac Electric ...
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Potomac Electric Power Co. Building. Air raid equipments and personnel...
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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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Electric light fixtures have been installed by FSA (Farm Security Admi...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Jack Cutter and family. Have lived in the FSA (Farm Security Administr...
Public domain photograph of life in the USA during the 1930s-1940s, war, free to use, no copyright restrictions image - Picryl description
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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Conversion. Electric shaver plant. This New England whose normal produ...
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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.
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
Fort Knox. Electric power line construction. The electrical industry o...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Potomac Electric Power Co. Building. Unveiling of honor roll plaque I
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Dante Electric Company, Bantam, Connecticut. Completely at home on any...
Public domain photograph - historical image of Connecticut, United States, free to use, no copyright restrictions image - Picryl description
Fort Belvoir, Virginia. Constantine P. Lihas, a twenty-one year old Gr...
Public domain image of a military portrait, uniform, armed forces, 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
Longview, Texas to Arkansas state line. War emergency pipeline from Lo...
Picryl description: Public domain image of working farmers, agriculture, farm, 20th century, free to use, no copyright restrictions.
Jim Tillma and Antonette Skoda at soda fountain in student union. They...
Public domain photograph of Nebraska in 1930s, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. substations. Substation no. 38 window displ...
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
San Francisco, California. Electric treatment of tin which has been re...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Potomac Electric Power Co. substations. Substation no. 38 window displ...
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Electric Buckboard, 1928
Small, four-wheeled vehicle with two seats. J36872 U.S. Copyright Office. Photograph by the Grogan Photo Company. Copyright by the Grogan Photo Company, Danville, Ill.
Electric Institute of Washington. Copy of Leisure with electricity adv...
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Potomac Electric Power Co. Building. 10th & E lobby, after remodeling ...
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Potomac Electric Power Co. service station. Exterior of service statio...
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Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
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Potomac Electric Power Co. Alexandria plant. Ground site for Potomac E...
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Potomac Electric Power Co. miscellaneous. Chesapeake and Ohio (C&O) Ca...
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Potomac Electric Power Co. air conditioning and lighting. Exterior of ...
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. miscellaneous. Trench for cable across Ches...
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.