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Miss Grace Stockman with ancient clay discs, 1/22/26

Miss Grace Stockman with ancient clay discs, 1/22/26

A black and white photo of a woman holding a teddy bear. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Three-inch A.A. cartridge cases. Brass discs are conveyed to a cupping press that forms them into the brass cups from which cartridge cases for three-inch antiaircraft shells are drawn. They look harmless enough but each one will be a potential headache for Axis fliers by the time it comes off the production line

Three-inch A.A. cartridge cases. Brass discs are conveyed to a cupping...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

NAVY YARD, U.S., WASHINGTON. DISCS AND WORK ON THEM

NAVY YARD, U.S., WASHINGTON. DISCS AND WORK ON THEM

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Ancient clay discs at Smithsonian (Grace Stockman), 1/22/26

Ancient clay discs at Smithsonian (Grace Stockman), 1/22/26

A black and white photo of a woman holding a glass. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Traffic paint undergoes rigid tests. Washington, D.C., April 16. At the U.S. Bureau of Standards, J.E. Keefauver of the Bureau has been running tests on the paint that is placed on safety zones and streets to determine which has the best wearing activity. The discs [?] are painted with the traffic paint the chain-driven wheel of eraser rubber (to imitate an auto tire) slowly wears the paint away. The brushes are to keep the disc and tire clean. These tests were made at the requests of the traffic bureaus, 4/16/1937

Traffic paint undergoes rigid tests. Washington, D.C., April 16. At th...

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Jewish factories in Palestine on Plain of Sharon & along the coast to Haifa. Tel Aviv. Diamond works. Applying diamond dust on discs

Jewish factories in Palestine on Plain of Sharon & along the coast to ...

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

A vacuum mechanism for inserting discs is an important unit in the machine setup of a converted cash register factory now producing 20mm fuses in enormous quantities

A vacuum mechanism for inserting discs is an important unit in the mac...

Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description

Conversion. Beverage containers to aviation oxygen cylinders. The first step in the manufacture of high-altitude-flying shatterproof oxygen cylinders in the metal department of a large rubber factory is the forming or stamping of the shell. Stainless steel sheets are blanked or cut into discs(left foreground). Before stamping, these discs are drawn through rolls where a drawing compound is added to both sides to facilitate the forming of the shell. The 750-ton toggle press, shown above, forms a half cylinder in one powerful stroke. Once the half cylinder is formed, it is trimmed and the value-fitting hole is punched into the spherical dome. A cleaning operation later removes the drawing compound. The cylinder halves are now ready for the various welding operations. Firestone, Akron, Ohio

Conversion. Beverage containers to aviation oxygen cylinders. The firs...

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

Italian movie videos and compact discs of Italian music and musical performers (Luciano Pavarotti, the great operatic tenor, is pictured on one of the CD covers).

Italian movie videos and compact discs of Italian music and musical pe...

Forms part of a group of images documenting Sanremo Italian Imports, owned and operated by Ralph Venezia, an Italian American from Montescaglioso in the Basilicata region of Italy.

Color expert for Uncle Sam. Washington, D.C., June 20. When it was discovered that color plays an important [role] in marketing of cotton, Miss Dorothy Nickerson, Color Technologist of the U.S. Department of Agriculture, developed a method for measuring the color of raw cotton mechanically. The equipment comprises a comparator, a motor on which to spin standard color discs, the color discs, and standard artificial daylight. When looking through the comparator, the operator sees a circular field, the upper half made up of the color of the cotton and the lower half made up of the disc colors, 6/20/38

Color expert for Uncle Sam. Washington, D.C., June 20. When it was dis...

A black and white photo of a woman typing on a typewriter. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Conversion. Beverage containers to aviation oxygen cylinders. The first step in the manufacture of high-altitude-flying shatterproof oxygen cylinders in the metal department of a large rubber factory is the forming or stamping of the shell. Stainless steel sheets are blanked or cut into discs(left foreground). Before stamping, these discs are drawn through rolls where a drawing compound is added to both sides to facilitate the forming of the shell. The 750-ton toggle press, shown above, forms a half cylinder in one powerful stroke. Once the half cylinder is formed, it is trimmed and the value-fitting hole is punched into the spherical dome. A cleaning operation later removes the drawing compound. The cylinder halves are now ready for the various welding operations. Firestone, Akron, Ohio

Conversion. Beverage containers to aviation oxygen cylinders. The firs...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.

Chickamauga Dam and powerhouse. View of generator hall, looking towards reception room end. Upper row of three large windows is overlook for reception room. Three windows beneath are those of control room (compare with K 2313). Balcony for communication and view in front of control room windows. Roof is carried by rigid steel arches which spring from crane rail level; steel purlins, exposed precast concrete slab. Windows of hall are glass brick for insulation. Translucent plastic discs suspended from standard highboy lighting units conceal view or direct reflection of filaments and reflect spill light onto ceiling, thus generally brightening the space. Floor is ceramic tile; walls, glazed structural tile up to crame rail, exposed concrete above

Chickamauga Dam and powerhouse. View of generator hall, looking toward...

The Chickamauga Dam is a hydroelectric dam on the Tennessee River in Chattanooga, Tennessee. It is one of nine dams in the Tennessee Valley Authority (TVA) system, and was completed in 1940. The dam is named af... More

Jewish factories in Palestine on Plain of Sharon & along the coast to Haifa. Tel Aviv. Diamond works. Cleaning discs on which diamonds have been polished

Jewish factories in Palestine on Plain of Sharon & along the coast to ...

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

Three-inch A.A. cartridge cases. The art of metal drawing is employed to turn brass discs punched from rolled sheets into long tubular cartridge case to carry the powder charges that send explosive shells up to meet enemy aircraft. The first operation is performed by a press which forms the flat disc into cups

Three-inch A.A. cartridge cases. The art of metal drawing is employed ...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

Conversion. Copper and brass processing. Not King Midas counting out his money, but an inspector in a cartridge case shop examining cartridge case blanks or discs for flaws in metal structure. Any flaws in the blanks can be easily detected in the freshly- cut edges after they are wiped clean. These circular blanks, which are cut on a press from heavy sheet brass, are drawn and formed into shell cases. Chase Copper and Brass Company, Euclid, Ohio

Conversion. Copper and brass processing. Not King Midas counting out h...

Picryl description: Public domain photograph of a worker, construction, carpenter, 1930s, free to use, no copyright restrictions.

Shaping the tire with "saucers." Spinning discs which are delicately controlled by movable arms smooth out each layer of fabric as it is added to the growing carcass, and curves around the sidewall and bead with considerable pressure. In the center foreground, one of these saucers may be seen as this tire builder maneuvers it around the sharp corner of the tire drum. In the right foreground two others pull across from the center to the edges to smooth out each layer. Firestone (General Tires), Akron, Ohio

Shaping the tire with "saucers." Spinning discs which are delicately c...

Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less

Conversion. Beverage containers to aviation oxygen cylinders. The first step in the manufacture of high-altitude-flying shatterproof oxygen cylinders in the metal department of a large rubber factory is the forming or stamping of the shell. Stainless steel sheets are blanked or cut into discs(left foreground). Before stamping, these discs are drawn through rolls where a drawing compound is added to both sides to facilitate the forming of the shell. The 750-ton toggle press, shown above, forms a half cylinder in one powerful stroke. Once the half cylinder is formed, it is trimmed and the value-fitting hole is punched into the spherical dome. A cleaning operation later removes the drawing compound. The cylinder halves are now ready for the various welding operations. Firestone, Akron, Ohio

Conversion. Beverage containers to aviation oxygen cylinders. The firs...

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

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiaircraft shells are drawn from brass cups which are themselves formed from flat discs. After they come from the cupping press they are washed to provide clean surfaces for future operations and are conveyed in basket trucks to annealing furnaces. Annealing will remove any strains set up in the metal by the cupping press operations

Three-inch A.A. cartridge cases. Cartridge cases for three-inch antiai...

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.

Virginia Ludwig goes to work on a punch press, stamping out discs from steel strips. Her well-fitting uniform is devoid of unnecessary pleats, trimmings, doodads--is just right for the job

Virginia Ludwig goes to work on a punch press, stamping out discs from...

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

Conversion. Beverage containers to aviation oxygen cylinders. The first step in the manufacture of high-altitude-flying shatterproof oxygen cylinders in the metal department of a large rubber factory is the forming or stamping of the shell. Stainless steel sheets are blanked or cut into discs(left foreground). Before stamping, these discs are drawn through rolls where a drawing compound is added to both sides to facilitate the forming of the shell. The 750-ton toggle press, shown above, forms a half cylinder in one powerful stroke. Once the half cylinder is formed, it is trimmed and the value-fitting hole is punched into the spherical dome. A cleaning operation later removes the drawing compound. The cylinder halves are now ready for the various welding operations. Firestone, Akron, Ohio

Conversion. Beverage containers to aviation oxygen cylinders. The firs...

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.

NAVY YARD, U.S., WASHINGTON. DISCS AND WORK ON THEM

NAVY YARD, U.S., WASHINGTON. DISCS AND WORK ON THEM

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

NAVY YARD, U.S., WASHINGTON. DISCS AND WORK ON THEM

NAVY YARD, U.S., WASHINGTON. DISCS AND WORK ON THEM

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Chickamauga Dam and powerhouse. View of generator hall, looking towards reception room end. Upper row of three large windows is overlook for reception room. Three windows beneath are those of control room (compare with K 2313). Balcony for communication and view in front of control room windows. Roof is carried by rigid steel arches which spring from crane rail level; steel purlins, exposed precast concrete slab. Windows of hall are glass brick for insulation. Translucent plastic discs suspended from standard highboy lighting units conceal view or direct reflection of filaments and reflect spill light onto ceiling, thus generally brightening the space. Floor is ceramic tile; walls, glazed structural tile up to crame rail, exposed concrete above

Chickamauga Dam and powerhouse. View of generator hall, looking toward...

The Chickamauga Dam is a hydroelectric dam on the Tennessee River in Chattanooga, Tennessee. It is one of nine dams in the Tennessee Valley Authority (TVA) system, and was completed in 1940. The dam is named af... More