Potomac Electric Power Co. Benning plant. Transformer, Indian Head
Picryl description: Public domain image of an industrial building, power plant, electric generator, 20th century architecture, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Transformer explosion IX
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Transformer manufacture. This employee of a large Eastern electrical p...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. Before transformer coils are wound, condenser...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Transformer manufacture. Fitting up outer parts of giant transformers ...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Potomac Electric Power Co. Building. Transformer explosion XV
Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.
Commercial Engineering Co. Network transformer (in government building...
Public domain photograph of commerce and advertising, 1920s-1930s America, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Transformer explosion XX
Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.
Potomac Electric Power Co. substations. Substation with transformer I
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Potomac Electric Power Co. substations. Substation with transformer II...
Picryl description: Public domain image of an industrial building, power plant, electric generator, 20th century architecture, free to use, no copyright restrictions.
Transformer manufacture. Nimble fingers are essential to rapid and ski...
Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More
Transformer manufacture. Forming the heart of the giant transformers w...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Transformer manufacture. Nimble fingers are essential to rapid and ski...
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.
Commercial Engineering Co. 300 KVA transformer in tempo no. 8 (Nationa...
Public domain photograph of commerce and advertising, 1920s-1930s America, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. substations. Substation no. 38 transformer ...
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Transformer explosion VI
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
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.
Transformer manufacture. Ready to be sent to aluminum and magnesium pl...
Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description
Transformer manufacture. Assembling the tap changing units that contro...
Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More
Snoqualmie Falls Hydroelectric Project, Transformer House, .5 mile nor...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
St. Elizabeths Hospital, Transformer Room, 2700 Martin Luther King Jr....
For an overview of the Systems and Infrastructure Buildings, see HABS DC-349-CD Significance: Transformer Room No. 62 (Building 62) is significant for its association with the west campus of St. Elizabeths. The... More
A poster comes to life. "This is what I call warm hospitality," said C...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. Fitting up outer parts of giant transformers ...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
National Gallery of Art, Washington, D.C. Transformer room
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Long Island Lighting Co. Ruland Ave. transformer station
Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description
Fitzsimons General Hospital, Transformer House, North Page Street, imm...
Survey number: HABS CO-172-AT Building/structure dates: 1919 Initial Construction
Snoqualmie Falls Hydroelectric Project, Transformer House, .5 mile nor...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Conowingo Hydroelectric Plant. Hook-up of transformer with superstruct...
Picryl description: Public domain image of a hydroelectric dam, industrial facility, power generation, water cascade, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Transformer explosion X
Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Transformer explosion XIX
Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Transformer explosion II
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Benning plant. Filling of transformer at Be...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Transformer manufacture. Assembling the tap changing units that contro...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Transformer manufacture. These porcelain spirals are part of the works...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Transformer manufacture. Granddaddy to 57, Henry Bert (right) has been...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. Welding is an intrinsic part of the manufactu...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Transformer manufacture. Forty years with a great Eastern electric com...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Transformer manufacture. These porcelain spirals are part of the works...
Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More
Transformer manufacture. These large transformers are being prepared f...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Potomac Electric Power Co. substations. Substation powerlines and tran...
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Potomac Electric Power Co. substations. Substation in Anacostia transf...
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Transformer explosion IV
Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.
Transformer manufacture. These huge aluminum spheres are used to test ...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Bell Telephone Laboratory, Murray Hill, New Jersey. Cellar transformer
Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. For many years this employee of a large Easte...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. These large transformers are being prepared f...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Transformer manufacture. Preparation of insulating board used between ...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Snoqualmie Falls Hydroelectric Project, Transformer House, .5 mile nor...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Potomac Electric Power Co. substations. Substation no. 38 transformer ...
Public domain photograph of building construction site, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Post transformer explosion I
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Lauderdale County, Alabama. Tennessee Valley Authority (TVA). Julien H...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Transformer manufacture. These huge aluminum spheres are used to test ...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Transformer manufacture. Part of a large Eastern electrical plant wher...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Hawthorn Power Plant, Kansas City Light and Power, Kansas City, Missou...
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Long Island Light and Power Co., Mineola, Long Island. Exterior genera...
Picryl description: Public domain image of a gas station, convenience store, 20th-century small town, free to use, no copyright restrictions.
Fitzsimons General Hospital, Transformer House, North Page Street, imm...
Survey number: HABS CO-172-AU Building/structure dates: 1944 Initial Construction
Snoqualmie Falls Hydroelectric Project, Transformer House, .5 mile nor...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Potomac Electric Power Co. Building. Post transformer explosion IV
Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Transformer explosion XIII
Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. These large transformers are being prepared f...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
A man is welding on a piece of wood. Office of War Information Photogr...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Pittsburgh Plate Glass Co., Columbia Chemical Division. Tower and tran...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Hoffmann-LaRoche Inc., Nutley, New Jersey. Transformer
Public domain photograph of 1940s-1950s America, free to use, no copyright restrictions image - Picryl description
Fitzsimons General Hospital, Transformer House, North Page Street, imm...
Survey number: HABS CO-172-AU Building/structure dates: 1944 Initial Construction
Fitzsimons General Hospital, Transformer House, North Page Street, imm...
Survey number: HABS CO-172-AT Building/structure dates: 1919 Initial Construction
Fitzsimons General Hospital, Transformer House, North Page Street, imm...
Survey number: HABS CO-172-AT Building/structure dates: 1919 Initial Construction
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Potomac Electric Power Co. Building. Transformer explosion XII
Picryl description: Public domain image of a ship, navy, harbor, maritime photograph, 19th-20th century architecture, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Transformer explosion XXII
Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Transformer explosion XVI
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Nebraska State Capitol, Lincoln, Nebraska. Transformer
Public domain photograph - American industrial history, 1930s-1940s, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. Preparation of insulating board used between ...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. These large transformers are being prepared f...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Snoqualmie Falls Hydroelectric Project, Transformer House, .5 mile nor...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Snoqualmie Falls Hydroelectric Project, Transformer House, .5 mile nor...
Significance: Construction of the Snoqualmie Falls Hydroelectric Project began in 1898 near the falls of the falls of the Snoqualmie River. It was the first power plant successfully constructed completely under... More
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Transformer manufacture. These bus bars are made primarily of copper; ...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Transformer manufacture. These bus bars are made primarily of copper; ...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Transformer manufacture. Welding is an intrinsic part of the manufactu...
Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. Forming the heart of the giant transformers w...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. These huge aluminum spheres are used to test ...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Transformer manufacture. These completed power transformers are sent t...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Transformer manufacture. This employee of a large Eastern electrical p...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Potomac Electric Power Co. Building. Transformer explosion XIV
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. substations. Substation transformer I
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Transformer explosion VII
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Transformer explosion III
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Transformer explosion VIII
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Transformer explosion XXI
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Transformer explosion I
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. These huge aluminum spheres are used to test ...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Transformer manufacture. Winding insulating tape on copper coils of a ...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. Welding is an intrinsic part of the manufactu...
Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More
Transformer manufacture. Winding insulating tape on copper coils of a ...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Transformer manufacture. Welding is an intrinsic part of the manufactu...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.