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Conversion. Toy factory. Closeup of one of the hexagonal brass terminals in a screw machine recently converted to war production. Terminals are used for radio filter boxes in tanks and jeeps. Keystone

Conversion. Toy factory. Closeup of one of the hexagonal brass termina...

Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description

Removing cakes of clay from one of a battery of filter presses. This operation precedes the pug mill. Shenango Pottery Works, Newcastle, Pennsylvania

Removing cakes of clay from one of a battery of filter presses. This o...

Picryl description: Public domain photo of 3d object, pottery, ceramics, free to use, no copyright restrictions image.

Pittsburgh Plate Glass Chlorine Plant, New Martinsville, West Virginia. Caustic building, bird filter

Pittsburgh Plate Glass Chlorine Plant, New Martinsville, West Virginia...

Picryl description: Public domain image of a bird in flight, free to use, no copyright restrictions.

Conversion. Toy factory. Before and after conversion. Product of this New England factory before conversion was toys, such as this steam roller. Today, after converting its machinery, it is making radio filter boxes for tanks and jeeps. The small parts shown in the picture are used in the filter boxes

Conversion. Toy factory. Before and after conversion. Product of this ...

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Hoffmann-LaRoche Inc., Nutley, New Jersey. Filter room I

Hoffmann-LaRoche Inc., Nutley, New Jersey. Filter room I

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

Conversion. Toy factory. This worker formerly produced toy wheels on this press; now his converted press adds to Uncle Sam's might in production of condenser caps for the Signal Corps, and of radio filter boxes for jeeps and tanks. Keystone

Conversion. Toy factory. This worker formerly produced toy wheels on t...

Public domain photograph - working class people, the 1930s United States, work, labor, worker, free to use, no copyright restrictions image - Picryl description

American Enka Corp., Morristown, Tennessee. Power and filter houses

American Enka Corp., Morristown, Tennessee. Power and filter houses

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

Conversion. Toy factory. Skillfully operating this massive press, a worker stamps out part of a filter box essential to the armed forces. Before conversion of this machine, metal toys were stamped out. The changeover consisted chiefly of new dies. Keystone

Conversion. Toy factory. Skillfully operating this massive press, a wo...

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.

Production. New Tennessee Valley Authority synthetic ammonia plant. Making a weld on a filter head in the ammonia synthesis system at the TVA's new synthetic ammonia plant in the Muscle Shoals area. Ammonia is made here by the high- pressure synthesis of nitrogen and hydrogen. The ammonia thus secured is converted at Muscle Shoals to ammonium nitrate for use in the making of high explosive shells. In addition to the production of munitions, the TVA is engaged in research in many fields, seeking new sources of strategic materials and better ways to utilize them in the war effort

Production. New Tennessee Valley Authority synthetic ammonia plant. Ma...

Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description

Ben Bow chromite mill, Stillwater County, Montana. The Oliver filter where the concentrates after the tabling process are separated from the water which they contained; the residue is then partially dried and is ready for shipment

Ben Bow chromite mill, Stillwater County, Montana. The Oliver filter w...

Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description

Hoffmann-LaRoche Inc., Nutley, New Jersey. Filter room II

Hoffmann-LaRoche Inc., Nutley, New Jersey. Filter room II

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

Production. Copper. Filter at a copper concentrator of the Phelps-Dodge Mining Company at Morenci, Arizona. This plant is supplying great quantities of the copper so vital in our war effort

Production. Copper. Filter at a copper concentrator of the Phelps-Dodg...

Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description

Johns-Manville Research Laboratory, Finderne, New Jersey. East facade, main building I, red filter

Johns-Manville Research Laboratory, Finderne, New Jersey. East facade,...

Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.

Sanitary plant filter. Sonoma migratory labor camp. California

Sanitary plant filter. Sonoma migratory labor camp. California

Public domain photograph - United States during 1930s Great Depression, free to use, no copyright restrictions image - Picryl description

Rotary vacuum filter used for removing cyanide solution containing gold from the tailings. Gold mine at Mogollon, New Mexico

Rotary vacuum filter used for removing cyanide solution containing gol...

Public domain photograph - New Mexico, United States, free to use, no copyright restrictions image - Picryl description

Johns-Manville Research Laboratory, Finderne, New Jersey. East facade, main building II, red filter

Johns-Manville Research Laboratory, Finderne, New Jersey. East facade,...

Public domain photograph of laboratory, free to use, no copyright restrictions image - Picryl description

Oliver filter at the Anaconda Copper Mining Company smelter. In this machine flotation concentrates are filtered from the liquid; from this operation the concentrates, which contain about twenty-six percent copper, go directly to the roasting furnace

Oliver filter at the Anaconda Copper Mining Company smelter. In this m...

Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.

Aircraft warning service. Mrs. E.V. Rickenbacker (second from left) watches as a group of volunteer airplane plotters at a filter center push markers into place. Recruited by the Office of Civilian Defense, the volunteers work in shifts of four to five hours, often coming to the center after a day's work at the office. The plotters report every second or third day, contributing many hours to their work than involved in less exacting civilian defense operations

Aircraft warning service. Mrs. E.V. Rickenbacker (second from left) wa...

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

Interchemical Corp., Hawthorne, New Jersey. Filter room

Interchemical Corp., Hawthorne, New Jersey. Filter room

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Sanitary plant filter. Sonoma migratory labor camp. California

Sanitary plant filter. Sonoma migratory labor camp. California

Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.

Water reservoir, filter and pump house at home of El Indio, Texas, pioneer

Water reservoir, filter and pump house at home of El Indio, Texas, pio...

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

A black and white photo of a large wheel. Great Depression Era, New Mexico

A black and white photo of a large wheel. Great Depression Era, New Me...

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.

A black and white photo of a large wheel. Great Depression Era, New Mexico

A black and white photo of a large wheel. Great Depression Era, New Me...

Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description

Fiberglass manufacture, Owens-Corning, Toledo, Ohio. Out from a siding moves a trainload of fiberglass materials headed for many destinations. The glass fabric will be used in a Midwestern bomber plant now under construction and in the laboratories of medical supply houses where miles of fiberglass tape are used to filter blood plasma in field kits

Fiberglass manufacture, Owens-Corning, Toledo, Ohio. Out from a siding...

Public domain photograph of a steam locomotive, train car, railroad, railway, 19th-20th century, free to use, no copyright restrictions image - Picryl description

Conversion. Toy factory. Presses that once turned out metal toys and motion picture projectors are now being converted to production of filter boxes to be used in jeeps and tanks. Keystone

Conversion. Toy factory. Presses that once turned out metal toys and m...

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.

Johns-Manville Research Laboratory, Finderne, New Jersey. East facade, main building I, no filter

Johns-Manville Research Laboratory, Finderne, New Jersey. East facade,...

Public domain photograph of laboratory, free to use, no copyright restrictions image - Picryl description

Sanitary plant. Visalia, California. Trickling filter

Sanitary plant. Visalia, California. Trickling filter

Public domain photograph - 1930s California, United States, free to use, no copyright restrictions image - Picryl description

Production. Copper. A closeup of a disc-type filter showing how the dried copper concentrate is broken by expansion of the filter and then discharged. This filter unit is at the Arthur plant of the Utah Copper Company

Production. Copper. A closeup of a disc-type filter showing how the dr...

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

A black and white photo of a machine in a factory. Great Depression Era, New Mexico

A black and white photo of a machine in a factory. Great Depression Er...

Public domain photograph of Mexico, free to use, no copyright restrictions image - Picryl description

Conversion. Toy factory. Between the heavy punch and the die, a vital war product is being turned out by a press which once produced only metal toys and movie projectors. U-shaped object is part of radio filter box essential to the army. Keystone

Conversion. Toy factory. Between the heavy punch and the die, a vital ...

Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description

Production. Copper. Filter at a copper concentrator of the Phelps-Dodge Mining Company at Morenci, Arizona. This plant is supplying great quantities of the copper so vital in our war effort

Production. Copper. Filter at a copper concentrator of the Phelps-Dodg...

Picryl description: Public domain photograph of workers, war production, aircraft, airfield, the 1930s -1940s, free to use, no copyright restrictions.

Filter presses, Oxnard, [California], factory, four lines of evaporators in the distance

Filter presses, Oxnard, [California], factory, four lines of evaporato...

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

Production. Copper. A closeup of a disc-type filter showing how the dried copper concentrate is broken by expansion of the filter and then discharged. This filter unit is at the Arthur plant of the Utah Copper Company

Production. Copper. A closeup of a disc-type filter showing how the dr...

Public domain photograph - historical image of Utah, United States, free to use, no copyright restrictions image - Picryl description