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Production. B-17F heavy bombers. Careful and accurate girl technicians at the Long Beach, California, plant of Douglas Aircraft Company jig-drill a wing spar truss for a B-17F heavy bomber. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber, with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Production. B-17F heavy bombers. Careful and accurate girl technicians...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Tapping a spar tree, Clear Lake Lumber Co., Clear Lake, Wash

Tapping a spar tree, Clear Lake Lumber Co., Clear Lake, Wash

Crowd along railroad tracks looking up at man on top of standing tree with branches cut off. No. 19423. No copyright renewal per LC Photoduplication service. Clear Lake Lumber Co. photo. Copyright by Cress-Dale... More

Richard Penlennon had just time to lift his wife and lash her to a spar

Richard Penlennon had just time to lift his wife and lash her to a spa...

(DLC/PP-1935:0006). Forms part of: Cabinet of American illustration (Library of Congress). Published in: "They Came to Ophir" by James Francis Dwyer, Collier's, 67:10 (June 4, 1921).

The high lead spar mast rigged. Washington

The high lead spar mast rigged. Washington

Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.

U.S.S. Brooklyn spar deck - Public domain image. Dry plate negative.

U.S.S. Brooklyn spar deck - Public domain image. Dry plate negative.

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

Loading boom on a spar tree - Truck logging in Washington

Loading boom on a spar tree - Truck logging in Washington

Photoprint copyrighted by Darius Kinsey. This record contains unverified data from caption card. Caption card tracings: Geogr.; Trees; Autos; Lumbering.

Long Bell Lumber Company, Cowlitz County. Washing spar tree used in lumbering operations

Long Bell Lumber Company, Cowlitz County. Washing spar tree used in lu...

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

Steel spar skidder with swinging loading broom

Steel spar skidder with swinging loading broom

Large steam crane moving logs in the Cascade mountains near seattle, Washington. J227752 U.S. Copyright Office Photo copyrighted by Darius Kinsey. No. 12 L-B. This record contains unverified, old data from capt... More

The choker puts choker loop on log for transportation from yard to yard by means of donkey engine, cables and spar tree. Long Bell Lumber Company, Cowlitz County, Washington

The choker puts choker loop on log for transportation from yard to yar...

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

Long Bell Lumber Company, Cowlitz County, Washington. Spar tree used in lumbering operations

Long Bell Lumber Company, Cowlitz County, Washington. Spar tree used i...

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

Long Bell Lumber Company, Cowlitz County, Washington. Loading device used at a spar tree for placing logs on railroad cars from the yard

Long Bell Lumber Company, Cowlitz County, Washington. Loading device u...

Public domain photograph of the United States military and military-industrial complex before World War Two, 1930s, free to use, no copyright restrictions image - Picryl description

De Soto bomber plant. Detroit, Michigan. Loading the spar in a fixture

De Soto bomber plant. Detroit, Michigan. Loading the spar in a fixture

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

U.S.S. Brooklyn spar deck from bridge

U.S.S. Brooklyn spar deck from bridge

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

Picryl description: Public domain image of a ship hull, port, harbor, water way, maritime architecture, free to use, no copyright restrictions.

Picryl description: Public domain image of a ship hull, port, harbor, ...

Public domain image with Picryl description as title Public domain photograph of ship dock, harbor, free to use, no copyright restrictions image - Picryl description

The choker puts choker loop on log for transporting from woods to yard by means of donkey engine, cables and spar tree. Long Bell Lumber Company, Cowlitz County, Washington

The choker puts choker loop on log for transporting from woods to yard...

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

A black and white photo of a man on a log. Office of War Information Photograph

A black and white photo of a man on a log. Office of War Information P...

This image is one of the images made by photographers working in Stryker's unit as it existed in a succession of government agencies: the Farm Security Administration (1937-1942). The photographs of the Farm S... More

De Soto bomber plant. Detroit, Michigan. Loading a spar chord in a fixture. The spar cord is hanging on the end of the rope

De Soto bomber plant. Detroit, Michigan. Loading a spar chord in a fix...

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

Wreck of the Maria Teresa, Battle of Santiago, 1898, starboard spar deck, 1898

Wreck of the Maria Teresa, Battle of Santiago, 1898, starboard spar de...

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.

Topping off a spar mast for the high lead logging operation. This tree was two hundred fifty feet high. The high climber is topping it off at a height of one hundred eighty-five feet. Washington

Topping off a spar mast for the high lead logging operation. This tree...

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

Production. B-17F heavy bombers. The brute force of a mighty plane engine, over a thousand horsepower, will strain at the bolt holes drilled by this girl worker in an engine bulkhead for a wing spar of a B-17F heavy bomber. She works in the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model of the B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Production. B-17F heavy bombers. The brute force of a mighty plane eng...

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.

[Diagrams of optical phenomena, including the rainbow, the double Icelandic spar, and prism refraction]

[Diagrams of optical phenomena, including the rainbow, the double Icel...

Illus. in: Opticks / Isaac Newton. London : Printed for S. Smith, and B. Walford, 1704. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress, 1987, p. 275.

A black and white photo of a train with smoke coming out of it. Office of War Information Photograph

A black and white photo of a train with smoke coming out of it. Office...

This image is one of the images made by photographers working in Stryker's unit as it existed in a succession of government agencies: the Farm Security Administration (1937-1942). The photographs of the Farm S... More

Donkey engine transportation of logs by cables from spar tree, Long Bell Lumber Company, Cowlitz County, Washington

Donkey engine transportation of logs by cables from spar tree, Long Be...

Public domain photograph of cable transport wires, free to use, no copyright restrictions image - Picryl description