Production. Copper (refining). Loading a sling of pure copper bars at ...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Production. Tungsten. Water tank at a tungsten concentrating plant nea...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Sheets of copper produced by electrolys...
Public domain photograph - United States during World War Two, free to use, no copyright restrictions image - Picryl description
Production. Tungsten. Water tank at a tungsten concentrating plant nea...
Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.
Production. Copper (refining). Shearing sheets of copper produced by e...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Production. Copper (refining). Transfer cars at a large copper refinin...
Public domain photograph - United States during World War Two, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Electrolytic tanks in a large copper re...
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.
Production. Tungsten. A waste pile near a tungsten recovery plant clos...
Public domain photograph of mountain view, valley, mountain range, free to use, no copyright restrictions image - Picryl description
Production. Tungsten. Transcontinental railroad traffic passes close t...
Picryl description: Public domain image of a miner, coal mine, free to use, no copyright restrictions.
Rep. Bloom presents sculptress with check from anonymous New Yorker to...
A black and white photo of a man and a woman. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Casting house in a large copper refinin...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
Production. Copper (refining). Sheets of copper produced by electrolys...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Petaluma, Sonoma County, California. Feed warehouse. Vast amounts of f...
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Nurse training. In a hospital's formula kitchen, student nurses prepar...
Public domain photograph of hospital laboratory, free to use, no copyright restrictions image - Picryl description
Philadelphia, Pennsylvania. Checking amounts of the order at the W. At...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Production. Tin smelting. A laboratory assistant at a Southern tin sme...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Charging sheets of copper produced by e...
Picryl description: Public domain photograph of workers, war production, aircraft, airfield, the 1930s -1940s, free to use, no copyright restrictions.
Production. Copper (refining). Trimming bars of pure copper at a large...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
Production. Tungsten. A train of mine cars carrying tungsten ore from ...
Picryl description: Public domain image of a locomotive, train tracks, rail transportation, railroad, railway, 19th-20th century, free to use, no copyright restrictions.
Production. Tungsten. This plant near Kingman, Arizona, produces tungs...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Production. Copper (refining). Trimming bars of pure copper at a large...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Production. Copper (refining). Sheared sheets of copper produced by el...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Production. Copper (refining). Copper ingots on conveyors at a large c...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Members of the armed forces demonstrate before Borofs gun in Akron, Oh...
Picryl description: Public domain image of a political campaign, politician, meeting, civil rights movement, African Americans, 1930s, mid-20th-century United States, free to use, no copyright restrictions.
Production. Copper (refining). Sheets of copper produced by electrolys...
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.
Production. Tungsten. A piece of tungsten ore mined near Kingman, Ariz...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Gasoline rationing. Previous to the adoption of the new "A" gasoline r...
Public domain photograph of pharmacy, convenience store, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Charging sheets of copper produced by e...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Tungsten. Concentrating tungsten ore on tables in a recove...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Casting machine in a large copper refin...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
Production. Tin smelting. Long tubes carry all the smoke thrown off by...
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Production. Tin smelting. A laboratory assistant at a Southern tin sme...
Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description
Production. Tungsten. Tungsten ores and concentrates are carefully ana...
Picryl description: Public domain photograph of worker, marketplace, vendor, 1930s, Great Depression, economic conditions, free to use, no copyright restrictions.
Production. Copper (refining). Copper ingots on conveyors at a large c...
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.
The Navy uses enormous amounts of rubber. At least seventy-five tons o...
Picryl description: Public domain photograph of a ship, docks, navy, free to use, no copyright restrictions.
Production. Tin smelting. A laboratory assistant at a Southern tin sme...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Casting house in a large copper refinin...
Public domain photograph - United States during World War Two, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Sheared sheets of copper produced by el...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Production. Copper (mining). Open-pit workings of the Utah Copper Comp...
Picryl description: Public domain image of a quarry, excavation or mining site, free to use, no copyright restrictions.
Production. Copper (refining). Sheets of copper produced by electrolys...
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.
Production. Copper (refining). Shearing sheets of copper produced by e...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Conversion. Copper and brass processing. Weighing brass scrap. The war...
Public domain photograph - United States during World War Two, free to use, no copyright restrictions image - Picryl description
Production. Tungsten. Crushing tungsten ore in a concentrating plant n...
Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.
Production. Copper (refining). Copper received from a smelter ready fo...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Tin smelting. Two laboratory assistants at a Southern tin ...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Sheets of copper produced by electrolys...
Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.
Production. Copper (refining). Pouring copper ingots at a large copper...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Electrolytic tanks in a large copper re...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Production. Copper (refining). Trimming bars of pure copper at a large...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
Production. Copper (refining). Sheets of copper produced by electrolys...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Rubber keeps them flying. This bomber needs thousands of pounds of rub...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Timbered tunnel leading into mine. San Juan County, Colorado. Barren m...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Production. Copper (refining). Handling a fire door for a furnace at a...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
Production. Copper (refining). Electrolytic tanks in a large copper re...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Production. Copper (refining). Electrolytic tanks in a large copper re...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Production. Copper (refining). Sheets of copper produced by electrolys...
Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.
Bus trip from Knoxville, Tennessee, to Washington, D.C. Recording amou...
Picryl description: Public domain image of a sports competition, baseball play, baseball player, athlete, 20th century, free to use, no copyright restrictions.
America's petroleum industries pour out fuel and lubricants for the Un...
Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description
Production. Copper (refining). Casting house in a large copper refinin...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Sheets of copper produced by electrolys...
Public domain photograph of a locomotive, train car, railroad trucks, free to use, no copyright restrictions image - Picryl description
Production. Tungsten. Entrance to the Boriana tungstan mine near Kingm...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Production. Tungsten. Tungsten ores and concentrates are carefully ana...
Picryl description: Public domain photograph of a worker, construction, carpenter, 1930s, free to use, no copyright restrictions.
Production. Tungsten. Tungsten ores and concentrates are carefully ana...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Copper ingots on conveyors at a large c...
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.
Production. Copper (refining). Sheared sheets of copper produced by el...
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.
Production. Copper (refining). Charging sheets of copper produced by e...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Production. Copper (refining). Charging sheets of copper produced by e...
Public domain photograph of window, architectural element, free to use, no copyright restrictions image - Picryl description
State of New York. No. 25. In Senate, January 31, 1890. Communication ...
Page Order: Leaflet Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 130, Folder 2.
Philadelphia, Pennsylvania. Checking amounts of the order at the W. At...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
State of New York. No. 25. In Senate, January 31, 1890. Communication ...
Page Order: Leaflet Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 130, Folder 2.
Production. Tungsten. Tungsten ore traveling on a belt conveyor at a c...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Sheets of copper produced by electrolys...
Picryl description: Public domain image of an industrial building, warehouse, depot, train station, 19th-20th century, free to use, no copyright restrictions.
Production. Copper (refining). Pouring copper ingots at a large refini...
Public domain photograph - United States during World War Two, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Yard scene at a large copper refining o...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Production. Copper (refining). Sheets of copper produced by electrolys...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Rubber keeps them flying. This bomber needs thousands of pounds of rub...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Nurse training. In a hospital's formulae kitchen, student nurse's prep...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
State of New York. No. 25. In Senate, January 31, 1890. Communication ...
Page Order: Leaflet Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 130, Folder 2.
Barrage balloon manufacture. Reinforcing the fins of a fish-of-the-air...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Statement of the amounts of internal duties imposed by the United Stat...
Imprint 2. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 152, Folder 7.
Open-pit workings of the Utah Copper Company, Bingham Canyon, Utah. Th...
Picryl description: Public domain image of a coal mine, mining, free to use, no copyright restrictions.
This workman controls amounts of materials going into concrete used in...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Production. Copper (refining). Copper ingots on conveyors at a large c...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
Production. Copper (refining). Sheets of copper produced by electrolys...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Sheets of copper produced by electrolys...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
State of New York. No. 25. In Senate, January 31, 1890. Communication ...
Page Order: Leaflet Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 130, Folder 2.
A statement of the amounts of internal duties imposed by the United St...
Imprint 2. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 50, Folder 24.
Production. Tungsten. Type of country near Kingman, Arizona, in which ...
Picryl description: Public domain image of a dry desert landscape, sand, sky, free to use, no copyright restrictions.
Production. Copper (refining). Copper received from a smelter ready fo...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Production. Copper (refining). Handling a fire door for a furnace at a...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Statement of the amounts of internal duties imposed by the United Stat...
Imprint 2. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 152, Folder 7.