Part of PICRYL.com. Not developed or endorsed by the Library of Congress

mercer county

pennsylvania

sharon

library of congress

transformer

united states history

westinghouse

safety film negatives

1940 s

sharon pa

public
75 media by topic ∙ page 1 of 1
Transformer manufacture. These large transformers are being prepared for testing in a large Eastern plant given over almost entirely to the manufacture of transformers. Transformers are vital to almost every phase of war Production. Westinghouse, Sharon, Pennsylvania

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

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. Fitting up outer parts of giant transformers is one of the skilled jobs done by employees of a large Eastern electrical company. The demand for power transformers has increased in proportion to America's ever-increasing war production. Westinghouse, Sharon, Pennsylvania

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

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. These huge aluminum spheres are used to test each power transformer which is ready to be shipped from a large Eastern electrical plant. Since lightning is apt to destroy power units in the field, each transformer is given an "artificial lightning" test to determine its ability to resist the elements. These spheres are part of a setup that produces 2,500,000 volts for testing purposes. Westinghouse, Sharon, Pennsylvania

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 where large transformer tanks are shaped and welded. Power transformers are an important part of America's war effort. Westinghouse, Sharon, Pennsylvania

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

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. Forming the heart of the giant transformers which manufacture power for America's war production plants, these spools of copper wire are lifted by a crane, guided into place by a worker. Westinghouse, Sharon, Pennsylvania

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 skilled winding of coils for distribution transformers; for this reason, women are often preferred for the job. Production of these coils has been stepped up enormously due to the war production program. Westinghouse, Sharon, Pennsylvania

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.

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. Preparation of insulating board used between copper coils on distribution transformers is done by women employees of a large Eastern electrical company. These young women are extremely valuable to Uncle Sam, because the product they are making is used in almost every phase of the armament program. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Preparation of insulating board used between ...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. For many years this employee of a large Eastern electrical company has been winding low voltage coils for power transformers. He's become one of Uncle Sam's valued workers, because transformers are essential to almost every phase of the armament program. Westinghouse, Sharon, Pennsylvania

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 for testing in a large Eastern plant given over almost entirely to the manufacture of transformers. Transformers are vital to almost every phase of war production. Employed at the plant as electrical testers are nearly 200 graduates of engineering colleges and electrical trade schools. Westinghouse, Sharon, Pennsylvania

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

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. This employee of a large Eastern electrical plant has the job of getting these big cores and coils into shape before they are lowered into steel transformer tanks and immersed in oil. Westinghouse, Sharon, Pennsylvania

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 plates must be inspected. These transformers are vital to war production and are used to produce power in almost every phase of America's war effort. Westinghouse, Sharon, Pennsylvania

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

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Map of Mercer Co., Pennsylvania : from actual surveys /

Map of Mercer Co., Pennsylvania : from actual surveys /

General-content county map also showing rural buildings and householders' names; the borough insets show real-property tracts (lots), owners' names, and building coverage; the village insets show houses and hou... More

Transformer manufacture. A large Eastern electrical company where huge power transformers, vital to America's war effort, are produced. Power transformers are essential to almost every phase of America's war production program. Westinghouse, Sharon, Pennsylvania

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 plants are these power transformers manufactured by a large Eastern electrical company. Along this aisle of the plant, are other transformers in every stage of manufacture. They are essential to almost every phase of Uncle Sam's war production effort. Westinghouse, Sharon, Pennsylvania

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

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. Assembling the tap changing units that control power transformers, this employee of a large Eastern electrical plant has a job that's vital to America's war effort. Transformers are essential to almost every industry engaged in defense production. Westinghouse, Sharon, Pennsylvania

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 of a power transformer; transformers are essential to war production industries, and this employee of a large Eastern electrical company, working in the bushing section, is contributing essentially to Uncle Sam's war effort. Bushings are the tubes which hold the copper leads through which power flows both in and out of giant transformers. Westinghouse, Sharon, Pennsylvania

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 with a large Eastern electrical plant for almost half a century. Now he's as important to the war as though he were on the front line, for he's one of the many workers who manufacture transformers, essential to defense. He's shown here with a youthful employee checking transformer coils. Westinghouse, Sharon, Pennsylvania

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 manufacture of transformers. This welder is employed by a large Eastern electrical company whose power transformers are needed by many factories engaged in war Production. Westinghouse, Sharon, Pennsylvania

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 company, George Matheson, expert electrical worker, skillfully adjusts spools of copper wire feeding on to the large 120 turn coils which he turns. Production of all such electrical equipment has been greatly stepped up due to the war production program. Westinghouse, Sharon, Pennsylvania

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.

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. Winding insulating tape on copper coils of a power transformer, this employee of a large Eastern electrical company is helping to supply America's armed forces with ships, guns and tanks necessary to defeat the Axis. Transformers are essential to almost every phase of the armament program. Westinghouse, Sharon, Pennsylvania

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. Winding insulating tape on copper coils of a power transformer, these employees of a large Eastern electrical company are indirectly helping to supply America's armed forces with the ships, guns and tanks necessary to defeat the Axis. Transformers are essential to almost every phase of the armament program. Westinghouse, Sharon, Pennsylvania

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 manufacture of transformers. This welder is employed by a large Eastern electrical company whose power transformers are needed by many factories engaged in war production. He's welding pipes on a power transformer tank. Westinghouse, Sharon, Pennsylvania

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.

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Sharon, Mercer County, Pennsylvania 1901.

Sharon, Mercer County, Pennsylvania 1901.

Perspective map not drawn to scale. Bird's-eye-view. LC Panoramic maps (2nd ed.), 846 Available also through the Library of Congress Web site as a raster image. Indexed for points of interest. AACR2

Transformer manufacture. Welding is an intrinsic part of the manufacture of transformers. This welder is employed by a large Eastern electrical company whose power transformers are needed by many factories engaged in war Production. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Welding is an intrinsic part of the manufactu...

Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.

Transformer manufacture. Welding is an intrinsic part of the manufacture of transformers. This welder is employed by a large Eastern electrical company whose power transformers are needed by many factories engaged in war production. He's welding cover flanges for steel transformer tanks. Westinghouse, Sharon, Pennsylvania

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. It's a formidable task, but Jack Hassel can wind one of these asbestos insulated low volts coils in a day. Essential to America's war efforts, these asbestos coils are used in air cooled transformers which are explosion-proof, hence advantageous for use in ships, mines and large buildings. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. It's a formidable task, but Jack Hassel can w...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. These bus bars are made primarily of copper; they're part of the workings of giant transformers which are necessary to war Production. Westinghouse, Sharon, Pennsylvania

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. Welding is an intrinsic part of the manufacture of transformers. This welder is employed by a large Eastern electrical company whose power transformers are needed by many factories engaged in war production. He's welding pipes on a power transformer tank. Westinghouse, Sharon, Pennsylvania

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 which manufacture power for America's war production plants, these spools of copper wire are lifted by a crane, guided into place by a worker. Westinghouse, Sharon, Pennsylvania

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 each power transformer which is ready to be shipped from a large Eastern electrical plant. Since lightning is apt to destroy power units in the field, each transformer is given an "artificial lightning" test to determine its ability to resist the elements. These spheres are part of a setup that produces 2,500,000 volts for testing purposes. Westinghouse, Sharon, Pennsylvania

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 to every part of the country and to almost every country in the Western hemisphere where they are needed in war production factories. These giants supply the power essentials to the production of ships and guns and tanks, as well as all other war essentials. Cranes capable of handling seventy-five tons hoist completed transformers to flatcars. Westinghouse, Sharon, Pennsylvania

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

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. Preparation of insulating board used between copper coils on distribution transformers is done by women employees of a large Eastern electrical company. These young women are extremely valuable to Uncle Sam, because the product they are making is used in almost every phase of the armament program. Westinghouse, Sharon, Pennsylvania

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 completed power transformers are sent to every part of the country and to almost every country in the Western hemisphere where they are needed in war production factories. These giants supply the power essentials to the production of ships and guns and tanks, as well as all other war essentials. Cranes capable of handling seventy-five tons hoist completed transformers to flatcars. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. These completed power transformers are sent t...

Public domain photograph of 1930s-1940s train station, train car, no copyright restrictions image - Picryl description

Transformer manufacture. Men with nimble fingers make good coil winders. These two employees of a large Eastern electrical company are producing transformers essential to war industries. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Men with nimble fingers make good coil winder...

Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description

Transformer manufacture. Veteran coil winders of a great electrical plant check stacks of finished coils, the kind that are found in small distribution transformers on light poles throughout the country. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Veteran coil winders of a great electrical pl...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Transformer manufacture. Forming the heart of the giant transformers which manufacture power for America's war production plants, these spools of copper wire are lifted by a crane, guided into place by a worker. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Forming the heart of the giant transformers w...

Picryl description: Public domain image of food, dinner, grocery store, eating, 1930s, mid-20th-century United States, free to use, no copyright restrictions.

Transformer manufacture. Flowing at the rate of ninety feet per minute, the flattened copper wire is wrapped with insulating tape by these machines. The workers pictured here stand by ready to change spools. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Flowing at the rate of ninety feet per minute...

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.

Transformer manufacture. The demand for power transformers has increased in America in direct ratio to the increase of war production. In this section of a large Eastern electrical plant, huge transformer coils are wound; this one may end up in a factory which is producing steel for Uncle Sam's ships and tanks and guns. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. The demand for power transformers has increas...

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 porcelain spirals are part of the works of a power transformer; transformers are essential to war production industries, and this employee of a large Eastern electrical company, working in the bushing section, is contributing essentially to Uncle Sam's war effort. Bushings are the tubes which hold the copper leads through which power flows both in and out of giant transformers. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. These porcelain spirals are part of the works...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Transformer manufacture. Essential to the efficiency of thousands of plants producing war materials are these distribution transformers, here being assembled on assembly line in a large Eastern plant. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Essential to the efficiency of thousands of p...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Transformer manufacture. Checking the rigging of big power transformers is a skilled job and one that's extremely important to America's war effort these days. Transformers are essential to almost every phase of war Production. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Checking the rigging of big power transformer...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Transformer manufacture. Checking stock of distribution transformer coils in large Eastern plant. With enormously increased production all over the country as a result of war contracts, these coils are intrinsically important to America's war program. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Checking stock of distribution transformer co...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. Nimble fingers are essential to rapid and skilled winding of coils for distribution transformers; for this reason, women are often preferred for the job. Production of these coils has been stepped up enormously due to the war production program. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Nimble fingers are essential to rapid and ski...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Transformer manufacture. Spools of copper wire used in transformer manufacture. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Spools of copper wire used in transformer man...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Transformer manufacture. Building cores for power transformers is highly skilled work. A new electric steel called hipersil is used in these cores, a steel which makes it possible to build smaller cores, and therefore use less copper and steel, both virtually needed elsewhere in the war program. In addition, this hipersil carries one third more magnetic flux than ordinary steel. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Building cores for power transformers is high...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. Fitting up outer parts of giant transformers is one of the skilled jobs done by employees of a large Eastern electrical company. The demand for power transformers has increased in proportion to America's ever-increasing war production. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Fitting up outer parts of giant transformers ...

Picryl description: Public domain image of a religious building interior, church, cathedral, hall, 17th, 18th, 19th-century architecture, free to use, no copyright restrictions.

Transformer manufacture. Oval wrapped copper coils which go into power transformers; demand for these transformers has increased in direct ratio to America's increased production of war materials. Transformers are used in almost every phase of the armament program. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Oval wrapped copper coils which go into power...

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.

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More

Transformer manufacture. When completed, this transformer will supply electric furnaces with the power needed to produce steel for Uncle Sam's ships and tanks and guns. The cooling coils pictured here are made of copper. A new process of forced oil cooling adds efficiency to these coilings; oil through these tubes at relatively high speed, cooling is greatly improved, and a larger lead current can be carried through the copper windings, thereby increasing the output of the transformer. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. When completed, this transformer will supply ...

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.

Transformer manufacture. Flowing at the rate of ninety feet per minute, the flattened copper wire is wrapped with insulating tape by these machines. The workers pictured here stand by ready to change spools. Westinghouse, Sharon, Pennsylvania

Transformer manufacture. Flowing at the rate of ninety feet per minute...

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.

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State Route 2302) & Pine Run, Sharon, Mercer County, PA

Oakland Avenue Viaduct, Oakland Avenue spanning U.S. Route 62 (State R...

Significance: The bridge is an excellent example of a dual-rib, open-spandrel concrete arch bridge executed in the Stripped Classicism style. The bridge is also an excellent example of design utilizing the plas... More