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[Military railroad operations in northern Virginia: men using levers for loosening rails]

No. 50 & 51 (handwritten) and 2552 (stamped) on mount. Forms part of Civil War photos, military construction and transportation in Northern Virginia and elsewhere / United States Military Railway Department (L More

Operators at their levers handling converters and ladles, steel works, Pittsburg, Pennsylvania, U.S.A.

H66574 U.S. Copyright Office. No. 6542. Public domain photograph of stereoscopic card, free to use, no copyright restrictions image - Picryl description

[Woman at microphone stand adjusting levers on a large console with Triplett Meter Company decibel display]

Public domain photograph - female portrait, 1900s women, free to use, no copyright restrictions image - Picryl description

Negro working levers for baling machine in cotton seed oil mill. McLennan County, Texas

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.

Members of Ola self-help sawmill co-op rolling white fir log to lumber truck with peavies. Hooked and spiked sticks used as levers. Gem County, Idaho. General caption 48

Picryl description: Public domain photograph of lumber, lumberjack workers, 1930s, Great Depression, economic conditions, free to use, no copyright restrictions.

Tank armor production. Carnegie-Illinois Steel Corporation. Farrell, Pennsylvania. Armor plate press operator. The man who handles the 2000 ton plate-finishing press at an Eastern mill has a very responsible position. Great skill and care are required as he operates the huge machine with only three levers

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.

Gear levers on caterpillar tractor. Whitman County, Washington

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

Wheat farmer's hands on gear levers of caterpillar tractor used to draw combine. Whitman County, Washington

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.

Levers keep old well top from falling in while rope to windlass lifts out section of wall. John Hardesty well project, Charles County, Maryland

Public domain photograph of construction site, excavation works, free to use, no copyright restrictions image - Picryl description

Loading ore boat. Levers control chutes which extend from bins where ore is stored. Allouez, Wisconsin

Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description

Gear levers on caterpillar tractor. Whitman County, Washington

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.

Subcontracting. Bogie-wheel assembly. Production of bogie-wheel assembly parts in the machine shop of an Eastern subcontractor. These machine operators are drilling, counterboring and milling bogie wheel levers. Painesville Machine Company

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

Conversion. Floor waxer plant. Erstwhile elevator operator, this employee of a small Eastern plant finds a touch of similarity between levers of the old job and the new. But he's one of America's war production workers now, due to the company's subcontract for war production. Floorola Products Inc., York, Pennsylvania

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

Subcontracting. Bogie-wheel assembly. Army ordnance inspectors check finished levers for bogie-wheel assemblies in the machine shop of an Eastern subcontractor. Painesville Machine Company

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

Subcontracting. Bogie-wheel assembly. Facing, counterboring and milling operations are performed on bogie-wheel levers in the machine shop of an Eastern subcontractor. Painesville Machine Company

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