A green lamp hanging from the side of a wall. Lamp light design, scien...
A green and gold lamp with a flower design on it. A green and gold lamp with flowers on it. Public domain stock photo of light and darkness.
Stator for Rjukan power station.
Stator för Rjukanfos kraftstation. Public domain photograph of electric power generation, power lines, free to use, no copyright restrictions image - Picryl description Public domain photograph of electric po... More
A portion of interior of Boston and Great Falls Electric Light and Pow...
Illus. in: Souvenir of the City of Great Falls, Montana. Photographs by Rice & Koehler and R.W. Fullerton. Copyright 1895, by Henry E. Sheets, Great Falls, Montana.
Electric power dam at Thompson Falls, Mont.
J204357 U.S. Copyright Office Copyright deposit; E. J. Frazier; June 29, 1915. Copyright claimant's address: Thompson Falls, Mont.
Severe Storm ^ Tornado - Shawnee, Okla. , May 13, 2010 -- A road crew ...
The original database describes this as: Title: Utility Equipment and workers in Oklahoma Production Date: 05/13/2010 Caption: Shawnee, Okla. , May 13, 2010 -- A road crew from Oklahoma Gas And Electric is i... More
Severe Storm ^ Tornado - Pottawatomie County, Okla. , May 13, 2010 -- ...
The original database describes this as: Title: Utility Equipment and workers in Oklahoma Production Date: 05/13/2010 Caption: Pottawatomie County, Okla. , May 13, 2010 -- Two members of a Caddo Electric Coo... More
Severe Storm ^ Tornado - Shawnee, Okla. , May 13, 2010 -- A line crew ...
The original database describes this as: Title: Tornado Damage in Oklahoma Production Date: 05/13/2010 Caption: Shawnee, Okla. , May 13, 2010 -- A line crew with Oklahoma Gas and Electric works on a rural ro... More
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. miscellaneous. Copy negatives of old PEPCO ...
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. Appliances montage II
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. air conditioning and lighting. Hotel room, ...
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. air conditioning and lighting. G.E. attic f...
Picryl description: Public domain photograph of costume accessory, free to use, no copyright restrictions image.
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
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph of cooking, kitchen, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. substations. Interior of substation at 18th...
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Potomac Electric Power Co. service station building, 10th and Florida ...
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
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. Electric kitchen
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Building....
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Potomac Electric Power Co. electric appliances. Vegetables, meat and m...
Picryl description: Public domain image of catering, dinner table arrangement, caterer, restaurant, food, free to use, no copyright restrictions.
Potomac Electric Power Co. miscellaneous. Copy of portrait of G. Arche...
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 III
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. Model home laundry of Potomac Ele...
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. Hands cutting bills
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Model home reception hall of Poto...
Picryl description: Public domain image of a living room, salon, office, late 19th-century interior, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Model home living room of Potomac...
Picryl description: Public domain image of a historic place interior, salon, hall lobby, living room, 18th-19th century architecture, free to use, no copyright restrictions.
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Working with electric ...
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. Mrs. Coombs picnic par...
Public domain photograph of park, trees, outdoors, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. air conditioning and lighting. S & W cafete...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Boy in front of stove
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. air conditioning and lighting. Loew's Fox T...
Public domain image of a large historic building, city hall, urban architecture, free to use, no copyright restrictions - Picryl description
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. air conditioning and lighting. Drugstore in...
Public domain photograph of pharmacy, convenience store, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Board grid with layout of power flow II
Public domain photograph of Washington DC, free to use, no copyright restrictions image - Picryl description
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. Building....
Picryl description: Public domain image of a department store, commerce, shopping, main street, city downtown, early 20th-century, 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. 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
Potomac Electric Power Co. air conditioning and lighting. Loew's Fox T...
Public domain photograph of theater building, free to use, no copyright restrictions image - Picryl description
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...
Public domain photograph of Washington DC, free to use, no copyright restrictions image - Picryl description
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
Potomac Electric Power Co. air conditioning and lighting. Sibley Hospi...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
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. Boiling water on gas r...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
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...
Picryl description: Public domain image of a living room, lobby, free to use, no copyright restrictions.
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. miscellaneous. PEPCO map
Public domain photograph of Washington DC, 1910s-1920s America, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Appliances montage I
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Range for semaphore
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Norma at electric rang...
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. Range cool and electri...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Potomac Electric Power Co. electric appliances. Floor lamp
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Vegetables on scale, 1...
Public domain photograph of 3d object, free to use, no copyright restrictions image - Picryl Description.
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Building....
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Potomac Electric Power Co. electric appliances. Food prepared to cook ...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. apartments and kitchens. Houses at 200 Emer...
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. Test tubes showing coo...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Electric power lines. Electric wires overhead on Georgia Ave.
Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Dr. Hands with card of...
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. Electric range II
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Potomac Electric Power Co. electric appliances. Model cleaning kettle ...
Public domain photograph of a woman, female portrait, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Preparing dish of peas
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric kitchens. Display of kitchens at S...
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. substations. Takoma substation
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
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
Potomac Electric Power Co. electric appliances. Wall mounted lamp with...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph of cars, gas station, car garage, 20th-century architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Model home kitchen of Potomac Ele...
Public domain photograph of living room, apartment, free to use, no copyright restrictions image - Picryl description
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
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. 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
Potomac Electric Power Co. electric appliances. Norma at electric rang...
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. Plaster models of electrical history at Pot...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
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. 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
Potomac Electric Power Co. Glee club of Potomac Electric Power Co.
Public domain photograph of a church interior, gothic architecture, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph of office, auditorium, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Plaster models of electrical history at Pot...
Public domain photograph of a sculpture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Model preparing breakf...
Public domain photograph of kitchen, breakfast, food, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Electric range I
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. air conditioning and lighting. Mr. Hamm's o...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Mr. Frank Dillon of Potomac Electric Power Co. Portrait of Mr. Dillon ...
Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Electric Institute of Washington, Potomac Electric Power Co. Building....
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
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
Potomac Electric Power Co. substations. Proposed site for new substati...
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. 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
Potomac Electric Power Co. electric appliances. Test tubes showing coo...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description