Wood pattern (of sugar pine) for the metal propeller of a cargo ship f...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Propellers in the rough and propeller assembly parts on the floor of t...
Public domain photograph of Connecticut in 1930s, free to use, no copyright restrictions image - Picryl description
A propeller at the inspection table undergoing tests for pitch and cur...
Public domain photograph of organ, keyboard instrument, church, gothic architecture, free to use, no copyright restrictions image - Picryl description
Adjusting hub on finished propeller at Hamilton propeller plant at Eas...
Picryl description: Public domain image of a military aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Adjusting assembled propeller. Hamilton propeller plant. East Hartford...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
East Hartford, Connecticut. Blade reamer spinning out the base of a pr...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Production. Motor torpedo boats (wooden). Dressing down a key on a pro...
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. Pratt and Whitney airplane engines. A propeller shaft of a...
Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description
De Land pool. Aircraft construction class. Instructor Gil Angell of th...
Public domain photograph - historical image of Florida, United States, free to use, no copyright restrictions image - Picryl description
Frederick, Maryland. Walter Spangenberg, a student at Woodrow Wilson H...
Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.
![[Man standing on a platform manipulating a set of paddle-like wings for a hand-operated aeronautical propeller]](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTEvMTcvbWFuLXN0YW5kaW5nLW9uLWEtcGxhdGZvcm0tbWFuaXB1bGF0aW5nLWEtc2V0LW9mLXBhZGRsZS1saWtlLXdpbmdzLWZvci1hLWhhbmQtZDMwMzg0LTEwMjQuanBn/40/27/webp "[Man standing on a platform manipulating a set of paddle-like wings for a hand-operated aeronautical propeller]")
[Man standing on a platform manipulating a set of paddle-like wings fo...
Tissandier collection. Public domain photograph of 19th century drawing, free to use, no copyright restrictions image - Picryl description
![[2 images: 1. Two women putting the finishing polish on a warship's propeller, at a shipyard, England; 2. At one of our chief ship-building centres: a cruiser in a floating dock]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MTYvMDEvMDEvMi1pbWFnZXMtMS10d28td29tZW4tcHV0dGluZy10aGUtZmluaXNoaW5nLXBvbGlzaC1vbi1hLXdhcnNoaXBzLXByb3BlbGxlci1hdC02NDAuanBn/40/54/webp "[2 images: 1. Two women putting the finishing polish on a warship's propeller, at a shipyard, England; 2. At one of our chief ship-building centres: a cruiser in a floating dock]")
[2 images: 1. Two women putting the finishing polish on a warship's pr...
Repro. of photoprint. Illus. in: The Illustrated London News, 1916 June 10, p. 736. Reference copy may be in SSF - World War, 1914-1918 Industry, British Boats and Ships 1916. This record contains unverified, o... More
Blade reamer. Hamilton Propeller plant, East Hartford, Connecticut
Public domain photograph of manufacturing, industry, free to use, no copyright restrictions image - Picryl description
Manpower. Negro navy yard workers. American manpower builds America's ...
Public domain photographs related to race relations, African Americans, discrimination, segregation, 1930s, free to use, no copyright restrictions image - Picryl description
Production. Airplane propellers. Propeller blades that will soon be dr...
Public domain photograph of manufacturing, industry, free to use, no copyright restrictions image - Picryl description
New York, New York. Associated Transport Company trucking terminal on ...
Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Propeller of Monitor Camanche, San Francisco
The Library holds only one photo from a pair published as a stereographic view. Gems of California scenery, no. 156. LOT subdivision subject: USS Monitor Camanche Ironside ship built in San Francisco. This reco... More
LANGLEY FIELD, Virginia CURTIS JN4D PLANE, WITH OLMSTEAD PROPELLER AND...
Picryl description: Public domain image of an aircraft, aviator, 20th-century aviation, free to use, no copyright restrictions.
![[Wheeled vehicle with mounted propeller], 10/11/22](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTUvMTEvMjUvd2hlZWxlZC12ZWhpY2xlLXdpdGgtbW91bnRlZC1wcm9wZWxsZXItMTAxMTIyLTEwMjQuanBn/40/32/webp "[Wheeled vehicle with mounted propeller], 10/11/22")
[Wheeled vehicle with mounted propeller], 10/11/22
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
This giant machine grinds and finishes the bases of rough cut propelle...
Public domain photograph of Connecticut in 1930s, free to use, no copyright restrictions image - Picryl description
New type of plating machine being used at the Hamilton Standard Propel...
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 rudder and propeller of an EC-2 Liberty ship prior to her launchin...
Picryl description: Public domain image of a ship, navy, harbor, maritime photograph, 19th-20th century architecture, free to use, no copyright restrictions.
California Shipbuilding Corporation, Wilmington, California. Workmen a...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Greenville, South Carolina. Air Service Command. Propeller men of the ...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
New York, New York. Associated Transport Company trucking terminal on ...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Wright-Patterson Air Force Base, Area B, Building 20, Propeller Labora...
Significance: Built incrementally from 1927 until 1942, this structure has specialized construction designed to accommodate the testing of propellers and drive motors as well as containing space for supporting ... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Starting a propeller at the Naval Air Base, Corpus Christi, Texas
Picryl description: Public domain image of an airplane, aircraft, airport, free to use, no copyright restrictions.
Profiler shaping propeller blade. Hamilton propeller plant, Hartford, ...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
New York, New York. Associated Transport Company trucking terminal on ...
Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description
Wright-Patterson Air Force Base, Area B, Building 20, Propeller Labora...
Significance: Built incrementally from 1927 until 1942, this structure has specialized construction designed to accommodate the testing of propellers and drive motors as well as containing space for supporting ... More
![[Front of Louis Blériot's airplane, showing engine and part of propeller]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMDMvZnJvbnQtb2YtbG91aXMtYmxlcmlvdHMtYWlycGxhbmUtc2hvd2luZy1lbmdpbmUtYW5kLXBhcnQtb2YtcHJvcGVsbGVyLTZjODVkNi0xMDI0LmpwZw%3D%3D/40/32/webp "[Front of Louis Blériot's airplane, showing engine and part of propeller]")
[Front of Louis Blériot's airplane, showing engine and part of propell...
George Grantham Bain Collection. Public domain photograph - aircraft, aviation, free to use, no copyright restrictions image - Picryl description
Old workmen at Hamilton Standard Propeller Corporation. East Hartford,...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Machine used for smoothing rough castings at the Hamilton Standard Pro...
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.
Shipbuilding (Newport News). Here is driving power for the Navy, a gro...
Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description
High school Victory Corps. Rudolph Angar, instructor, explains propell...
Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description
Manpower. Negro aircraft propeller workers. American industry develops...
Public domain photograph of New Jersey in 1930s, free to use, no copyright restrictions image - Picryl description
Greenville, South Carolina. Air Service Command. Men of the 35th servi...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Myrtle Beach, South Carolina. Air Service Command. Private Philip A. Z...
Picryl description: Public domain image of a pilot, aviator, aircraft, free to use, no copyright restrictions.
New York, New York. Associated Transport Company trucking terminal on ...
Picryl description: Public domain image of a construction site, wooden frame, timber, free to use, no copyright restrictions.
Wright-Patterson Air Force Base, Area B, Building 20, Propeller Labora...
Significance: Built incrementally from 1927 until 1942, this structure has specialized construction designed to accommodate the testing of propellers and drive motors as well as containing space for supporting ... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Steamboat line. Stage notice. fare reduced! Cohasset, Scituate & the G...
Transportation.; Stage coach. 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 64, Folder 30.
![[Albert Tissandier (left), Gaston Tissandier (right), and an unidentified man in the basket of their airship demonstrating an electric navigational system featuring a propeller] / P. Ferat ; E.A. Tilly, sc.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjkvYWxiZXJ0LXRpc3NhbmRpZXItbGVmdC1nYXN0b24tdGlzc2FuZGllci1yaWdodC1hbmQtYW4tdW5pZGVudGlmaWVkLW1hbi1pbi10aGUtMjYwMzBjLTEwMjQuanBn/40/46/webp "[Albert Tissandier (left), Gaston Tissandier (right), and an unidentified man in the basket of their airship demonstrating an electric navigational system featuring a propeller] / P. Ferat ; E.A. Tilly, sc.")
[Albert Tissandier (left), Gaston Tissandier (right), and an unidentif...
Tissandier collection. Public domain scan of portrait print from Library of Congress, free to use, no copyright restrictions image - Picryl description
New type of plating machine being used at the Hamilton Standard Propel...
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.
Final adjustment on finished propeller. Hamilton propeller plant, East...
Picryl description: Public domain image of people, meeting, eating, drinking, food, beverage, 1930s, free to use, no copyright restrictions.
Finished propeller blades. Hamilton propeller plant, East Hartford, Co...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Manpower. Negro aircraft propeller workers. America draws its manpower...
Public domain photograph of New Jersey in 1930s, free to use, no copyright restrictions image - Picryl description
Bethlehem-Fairfield shipyards, Baltimore, Maryland. Propeller and rudd...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Chicago, Illinois. Loading airplane propeller into freight cars at the...
Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description
Myrtle Beach, South Carolina. Air Service Command. Private Philip A. Z...
Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
LANGLEY FIELD, Virginia CURTIS JN4D PLANE, WITH USUAL PROPELLER AND AC...
Picryl description: Public domain image of an aircraft, aviator, 1910s-1920s, early 20th-century aviation, free to use, no copyright restrictions.
General view of propeller grinding and finishing operations at the Ham...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Balancing propeller. Hamilton propeller plant, East Hartford, Connecti...
Picryl description: Public domain photograph of a worker, construction, carpenter, 1930s, free to use, no copyright restrictions.
Shipbuilding. "Liberty" ships. Welding is one of the most important ad...
Picryl description: Public domain image of a church, crypt, chamber, underground vault architecture, free to use, no copyright restrictions.
Newport News, Virginia. Worker attaching wire cable preparatory to lif...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Adjusting hub on finished propeller. Hamilton propeller plant. East Ha...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Detroit (vicinity), Michigan. A ship's propeller loaded on a truck
Picryl description: Public domain image of an automobile, 1940s car, free to use, no copyright restrictions.
Wright-Patterson Air Force Base, Area B, Building 20, Propeller Labora...
Significance: Built incrementally from 1927 until 1942, this structure has specialized construction designed to accommodate the testing of propellers and drive motors as well as containing space for supporting ... More
![[Man standing on a platform manipulating a set of paddle-like wings for a hand-operated aeronautical propeller]](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTEvMTcvbWFuLXN0YW5kaW5nLW9uLWEtcGxhdGZvcm0tbWFuaXB1bGF0aW5nLWEtc2V0LW9mLXBhZGRsZS1saWtlLXdpbmdzLWZvci1hLWhhbmQtMzQ2YjQ2LTY0MC5qcGc%3D/40/23/webp "[Man standing on a platform manipulating a set of paddle-like wings for a hand-operated aeronautical propeller]")
[Man standing on a platform manipulating a set of paddle-like wings fo...
Tissandier collection.
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
Propeller of Sikorsky Plane - Glass negative photogrpah. Public domain...
Photo shows propeller of an airplane designed by Russian-American aviation pioneer Igor Sikorsky (1889-1972).(Source: Flickr Commons project, 2010)
A black and white photo of two men working on a houseboat, Iowa. Farm ...
Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.
General view of propeller grinding and finishing operations at the Ham...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Final adjustment on finished propeller. Hamilton propeller plant, East...
Picryl description: Public domain photograph of workers, war production, aircraft, airfield, the 1930s -1940s, free to use, no copyright restrictions.
Warner Robins, Georgia. Air Service Command, Robins Field. Propeller m...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Bethlehem-Fairfield shipyards, Baltimore, Maryland. Propeller shafting...
Public domain photograph - historical image of Maryland, United States, free to use, no copyright restrictions image - Picryl description
Myrtle Beach, South Carolina. Air Service Command. Private Philip A. Z...
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.
Sailing from Genoa. Hundreds of Italians are waving bon voyage to rela...
Photographs the port of Genoa, Italy, and two boys standing next to propeller blades on the S.S. Conte Verde. On page: no. 1565 (top left image), no. 1566 (top right image), no. 1567 (bottom left image) and no... More
![Students at Washington High School at class, training for specific contributions to the war effort, Los Angeles, Calif. Ralph Angar, instructor, explains propeller characteristics to student[s] in the aeronautics class](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MzkvMDEvMDEvc3R1ZGVudHMtYXQtd2FzaGluZ3Rvbi1oaWdoLXNjaG9vbC1hdC1jbGFzcy10cmFpbmluZy1mb3Itc3BlY2lmaWMtY29udHJpYnV0aW9ucy0yLTEwMjQuanBn/40/32/webp "Students at Washington High School at class, training for specific contributions to the war effort, Los Angeles, Calif. Ralph Angar, instructor, explains propeller characteristics to student[s] in the aeronautics class")
Students at Washington High School at class, training for specific con...
Public domain photograph - United States during 1930s Great Depression, free to use, no copyright restrictions image - Picryl description
Long metal rod being cut into small sections to be used in making part...
Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description
A black and white photo of people working in a factory. Office of War ...
Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More
Adjusting assembled propeller. Hamilton propeller plant. East Hartford...
Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More
Engine assembly room. Pratt and Whitney propeller plant at East Hartfo...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Shipbuilding (Newport News). Skilled work requires brawn as well as br...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Putting propeller on plane - Glass negative photogrpah. Public domain.
Picryl description: Public domain image of an aircraft, aviator, 20th-century aviation, free to use, no copyright restrictions.
Old workman at the Hamilton Standard Propeller works at East Hartford,...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
A black and white photo of a man working with a baseball bat. Office o...
Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More
Blade reamer. Hamilton Propeller plant, East Hartford, Connecticut
Public domain photograph of manufacturing, industry, free to use, no copyright restrictions image - Picryl description
East Hartford, Connecticut. Blade reamer spinning out the base of a pr...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Oil painting "Ship Propeller" located on lobby ceiling, U.S. Custom Ho...
Artist: George Harding, 1938. Photographed as part of an assignment for the General Services Administration. Title information, date, and subject note provided by the photographer. Credit line: Photographs in t... More
Wright-Patterson Air Force Base, Area B, Building 20, Propeller Labora...
Significance: Built incrementally from 1927 until 1942, this structure has specialized construction designed to accommodate the testing of propellers and drive motors as well as containing space for supporting ... More
Wright-Patterson Air Force Base, Area B, Building 20, Propeller Labora...
Significance: Built incrementally from 1927 until 1942, this structure has specialized construction designed to accommodate the testing of propellers and drive motors as well as containing space for supporting ... More
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More
![Explosion of the propeller PETROL, on the North River, [opposite the foot of Jay Street, New York City, Nov 6, 1858]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTgvMDEvMDEvZXhwbG9zaW9uLW9mLXRoZS1wcm9wZWxsZXItcGV0cm9sLW9uLXRoZS1ub3J0aC1yaXZlci1vcHBvc2l0ZS10aGUtZm9vdC1vZi1qYXktNjQwLmpwZw%3D%3D/40/29/webp "Explosion of the propeller PETROL, on the North River, [opposite the foot of Jay Street, New York City, Nov 6, 1858]")
Explosion of the propeller PETROL, on the North River, [opposite the f...
Illus. in: Harper's Weekly, v. 2, (1858 November 20), p. 749. Title and other information transcribed from caption card.
![Sailing from Genoa. Hundreds of Italians are waving bon voyage to relatives off to the Land of Opportunity, the U.S.A. On the S.S. Conte Verde a new luxurious Italian express steamer of the Lloyd Sabaudo Co. two extra propeller blades are carried. This one [text missing] ; Showing the height of the propeller blade on the S.S. Conte Verde. Mr. Carpenter in the picture.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMTUvc2FpbGluZy1mcm9tLWdlbm9hLWh1bmRyZWRzLW9mLWl0YWxpYW5zLWFyZS13YXZpbmctYm9uLXZveWFnZS10by1yZWxhdGl2ZXMtNmNjZGY2LTEwMjQuanBn/40/48/webp "Sailing from Genoa. Hundreds of Italians are waving bon voyage to relatives off to the Land of Opportunity, the U.S.A. On the S.S. Conte Verde a new luxurious Italian express steamer of the Lloyd Sabaudo Co. two extra propeller blades are carried. This one [text missing] ; Showing the height of the propeller blade on the S.S. Conte Verde. Mr. Carpenter in the picture.")
Sailing from Genoa. Hundreds of Italians are waving bon voyage to rela...
On page: no. 1568 (top image), no. 1570 (bottom left image) and no. 1571 (bottom right image) Text under image no. 1568: "Same as 1565". Text under image no. 1570: "Same as 1569". In album: European pictures (... More
A black and white photo of people on a boat, Great Depression. FSA/OWI...
Public domain photograph - United States during the 1930s and 1940s, Farm Security Administration, New Deal, free to use, no copyright restrictions image - Picryl description
General view of propeller grinding and finishing operations at Hamilto...
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.
Mitchell Field. Business end of a bomber engine. The controllable pitc...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Manpower. Negro aircraft propeller workers. Workers of many racial gro...
Public domain photograph of New Jersey in 1930s, free to use, no copyright restrictions image - Picryl description
YB-17 bombardment squadron, Langley Field, Virginia. A master sergeant...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Working on the propeller hub of an interceptor plane. Lake Muroc, Cali...
Picryl description: Public domain image of a pilot, aviator, aircraft, free to use, no copyright restrictions.
Greenville, South Carolina. Air Service Command. Portrait of one of th...
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.
Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patro...
Picryl description: Public domain image of a pilot, aviator, aircraft, free to use, no copyright restrictions.
Wright-Patterson Air Force Base, Area B, Building No. 20A, Propeller T...
Significance: This concrete acoustical structure was built during World War II to surround an outdoor propeller test area and craneway. The unique concrete tube construction was a response to the need to muffl... More