Detroit City Gas Company, north end of gas holder
Title from jacket. Detroit Publishing Co. no. X 1332. Gift; State Historical Society of Colorado; 1949.
Potomac Electric Power Co. Benning plant. View of opening in generator...
The Theodor Horydczak Collection documents the architecture and social life of the Washington DC metropolitan area in the 1920s, 1930s, and 1940s.
Potomac Electric Power Co. Fresco painting at Potomac Electric Power C...
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. Building. Meter reader group
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. Buzzard Point plant. Damaged machine parts ...
Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More
Potomac Electric Power Co. miscellaneous. Manhole crew and truck II
The Theodor Horydczak Collection documents the architecture and social life of the Washington DC metropolitan area in the 1920s, 1930s, and 1940s.
Potomac Electric Power Co. Building. Model home window display, G.E. r...
Public domain photograph of pharmacy, convenience store, 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. air conditioning and lighting. Marshall apa...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
The Theodor Horydczak Collection documents the architecture and social life of the Washington DC metropolitan area in the 1920s, 1930s, and 1940s.
Potomac Electric Power Co. Buzzard Point plant. Blowers at Buzzard Poi...
Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.
Potomac Electric Power Co. electric appliances. Wall mounted lamp
Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More
Potomac Electric Power Co. electric appliances. Working with electric ...
Public domain photograph related to Arnold Genthe, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Model home bedroom of Potomac Ele...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Boiling peas on electr...
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. Benning plant. Construction for frequency c...
Public domain photograph of construction site, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. apartments and kitchens. Marlyn Apartments ...
The Theodor Horydczak Collection documents the architecture and social life of the Washington DC metropolitan area in the 1920s, 1930s, and 1940s.
Potomac Electric Power Co. service station. View showing large boulder...
Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.
Potomac Electric Power Co. Benning plant. Sun rays in Benning plant
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
Washington Gas Light Co. Display for electric competition
Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More
Potomac Electric Power Co. Benning plant. Exterior of Benning plant
Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More
Potomac Electric Power Co. Benning plant. View of opening in generator...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Washington Gas Light Co. Mr. Gordon of Washington Gas Light Co. I
Public domain photograph of American trade card, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Alexandria plant. Shaft water pump
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Benning plant. Smokestacks at Benning plant...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Washington Gas Light Co. Mr. Button of Washington Gas Light Co. III
Public domain photograph of American trade card, no copyright restrictions image - Picryl description
Potomac Electric Power Co. apartments and kitchens. Cafritz Greenway a...
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Buzzard Point plant. Buzzard Point plant fr...
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
Potomac Electric Power Co. electric appliances. Boy in front of stove
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
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.
Potomac Electric Power Co. Building. Potomac Electric Power Co. store ...
Public domain photograph of pharmacy, convenience store, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. substations. Substation exterior V
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Automatic toaster
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Buzzard Point plant. Architect drawing of B...
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Potomac Electric Power Co. miscellaneous. Copy negative of old PEPCO p...
Public domain photograph of midcentury American office architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. electric appliances. Percolator I
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. air conditioning and lighting. PEPCO tunnel...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Potomac Electric Power Co. houses and kitchens. Exterior of 3359 Quesa...
Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.
Potomac Electric Power Co. electric appliances. Refrigerator
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. air conditioning and lighting. George Washi...
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. Majestic Apartment...
Public domain photograph of apartment room, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Buzzard Point plant. Construction work insi...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Potomac Electric Power Co. Benning plant. Main gate of Benning plant, ...
Public domain photograph of park, trees, outdoors, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. miscellaneous. Copy negative of old PEPCO p...
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. commercial kitchens, restaurants and lighti...
Public domain photograph of kitchen, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. miscellaneous. Copy negative of old PEPCO p...
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Dispatcher board
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. air conditioning and lighting. Kopy Kat II
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co., manhole and cables. Detail of PEPCO cable ...
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Buzzard Point plant. Aerial view of Benning...
Public domain aerial photograph, no copyright restrictions image - Picryl description Potomac Electric Power Company (PEPCO) is a publicly traded utility company that provides electric service to customers in ... More
Potomac Electric Power Co. Power line near Washington Grove II
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Building. Sales office II
Public domain image of a large historic building, city hall, urban architecture, free to use, no copyright restrictions - Picryl description
Potomac Electric Power Co. air conditioning and lighting. PEPCO tunnel...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Potomac Electric Power Co. miscellaneous. Copy negative of old PEPCO p...
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Mary Turner of Potomac Electric P...
Picryl description: Public domain image of a group of people, United States politics, free to use, no copyright restrictions.
Potomac Electric Power Co. substations. Substation site at 13th and Ke...
Picryl description: Public domain image of a park alley, trees, free to use, no copyright restrictions.
Potomac Electric Power Co. substations. G Place N.W. substation
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
Potomac Electric Power Co. I St. substation by night XIV
Public domain photograph of midcentury American industry, 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. miscellaneous. PEPCO chart II
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. service station. View showing large boulder...
Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Mary Turner of Potomac Electric P...
Picryl description: Public domain image of a group of people, United States politics, free to use, no copyright restrictions.
Potomac Electric Power Co. miscellaneous. Railroad scene at 9th St. an...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Buzzard Point plant. Second turbine nearing...
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Potomac Electric Power Co. miscellaneous. Transportation plaque, Potom...
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
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. electric appliances. Mixers
Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More
Potomac Electric Power Co. Benning plant. Installation of rotor for 25...
Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.
Potomac Electric Power Co. houses. Hohn house in Forestville, Md. I
Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Night, Christmas 1939, Potomac El...
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. 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.
Potomac Electric Power Co. Buzzard Point plant. Additions to Buzzard P...
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
Potomac Electric Power Co. Buzzard Point plant. Rear of Buzzard Point ...
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
Potomac Electric Power Co. Building. U.S.A. award presentation, PEPCO ...
Picryl description: Public domain image of a group of people, United States politics, free to use, no copyright restrictions.
Potomac Electric Power Co. Building. Window, Reddy making electricity
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Washington Gas Light Co. New Washington Gas Light Co. Building I
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. substations. Substation no. 38 window displ...
Picryl description: Public domain image of a mural painting, architecture, free to use, no copyright restrictions.
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
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
Potomac Electric Power Co. Building. Windows, Christmas '43
Public domain photograph of military personnel, army, militia, infantry, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. miscellaneous. Fire sprays and fire fightin...
Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.
Potomac Electric Power Co. substations. Substation no. 38 window displ...
Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More
Potomac Electric Power Co. substations. Substation no. 38 window displ...
Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More
Potomac Electric Power Co. substations. Substation no. 38 window displ...
Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More
Potomac Electric Power Co. air conditioning and lighting. College Park...
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. air conditioning and lighting. St. Francis ...
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. air conditioning and lighting. St. Francis ...
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. Laundry room at 10...
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. apartments and kitchens. Switch box in home...
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. apartments and kitchens. Kitchen of home I
Public domain photograph of apartment room, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. apartments and kitchens. Kitchen VI
Public domain photograph of apartment room, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Benning plant. 50,000 watt generator at Ben...
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. Benning plant. Generator unit no. 13 at Ben...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Benning plant. Generator unit no. 13 at Ben...
Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Alexandria plant. Worn parts on turbine no....
Public domain photograph of organ, keyboard instrument, church, gothic architecture, free to use, no copyright restrictions image - Picryl description
Potomac Electric Power Co. Alexandria plant. Worn parts on turbine no....
Public domain photograph - American industrial history, 1930s-1940s, free to use, no copyright restrictions image - Picryl description
Long Island Light and Power Co. Locust Valley substation II
Public domain photograph of park, trees, outdoors, free to use, no copyright restrictions image - Picryl description
Long Island Light and Power Co., Mineola, Long Island, View over turbi...
Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description