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6,134 media by topic ∙ page 1 of 62
Cattle Ready for Tuberculosis Test; Good Elk on Horse - Bureau of Indian Affairs

Cattle Ready for Tuberculosis Test; Good Elk on Horse - Bureau of Indi...

Public domain photograph related to native Americans, Bureau of Indian Affairs, Reservations, free to use, no copyright restrictions image - Picryl description Photographs

Plan of Dry Dock Showing Locations of Test Points

Plan of Dry Dock Showing Locations of Test Points

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Drawing: Dry Dock Number 4, Granite and Concrete for the US Navy Yard, New York, New York, Expansion Joint, Conduit Brackets, Sump Struts, Stones for Caisson Groove and Test Pipe

Drawing: Dry Dock Number 4, Granite and Concrete for the US Navy Yard,...

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Right side front view medium shot at a Russian made Hind Mi-24 helicopter from the Army Test and Evaluation Center, Threat Support Activity, Las Vegas, Nevada, taxis back after providing simulated hostile threats to Search and Rescue operations, during Desert Rescue. Desert Rescue is a Joint Service Combat Search and Rescue (CSAR), exercise designed to fully integrate planning and execution of both immediate and dedicated missions

Right side front view medium shot at a Russian made Hind Mi-24 helicop...

The original finding aid described this photograph as: Subject Operation/Series: DESERT RESCUE Base: Naval Air Station, Fallon State: Nevada (NV) Country: United States Of America (USA) Scene Camera Operat... More

Building Number 128, Roof Test Room, Looking West

Building Number 128, Roof Test Room, Looking West

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Watertown Arsenal, Massachusetts, Test Specimen Shop

Watertown Arsenal, Massachusetts, Test Specimen Shop

This photograph depicts a test specimen shop at the Watertown Arsenal. Photographs

Test Specimen Shop - U.S. National Archives Public Domain photograph

Test Specimen Shop - U.S. National Archives Public Domain photograph

Original caption: Test Specimen Shop 1910. Photographs Public domain photograph of the US industrial development, work of U.S. government, free to use, no copyright restrictions image - Picryl description

Reconstruction of Crane Hercules, Test of Erecting Blocks

Reconstruction of Crane Hercules, Test of Erecting Blocks

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Dry Dock No. 4, Dynamometer Set up for Test, Yard Labor

Dry Dock No. 4, Dynamometer Set up for Test, Yard Labor

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Dry Dock No. 4, Dynamometer Set up for Test, Yard Labor

Dry Dock No. 4, Dynamometer Set up for Test, Yard Labor

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Dry Dock No. 4, Dynamometer Set up for Test, Holbrook, Cabot and Rollins, Contractor

Dry Dock No. 4, Dynamometer Set up for Test, Holbrook, Cabot and Rolli...

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Dry Dock Number 4, Dynamometer Set Up for Test, Holbrook Cabot and Rollins Corporation, Contractor

Dry Dock Number 4, Dynamometer Set Up for Test, Holbrook Cabot and Rol...

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

New York Navy Yard - Test Crayon Tints

New York Navy Yard - Test Crayon Tints

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Model of Dry Dock 4 Caisson, Making Inclining Test - Model Listed

Model of Dry Dock 4 Caisson, Making Inclining Test - Model Listed

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Armor - Armor - Designing armor for American Soldiers. In the Armorer's workshop of the Metropolitan Museum of Art, N.Y. where, under the direction of Major Bashford Dean, Ord. Dept., U.S.A., and Curator of Armor at the Museum, armor for the American soldiers fighting in France is being designed. The suits of armor used in medieval times which many collectors have brought to the museum were carefully inspected and the good points brought to bear in fashioning this modern armor. The actual labor is being performed by Assistant Curator of Armor at the Museum, Daniel Tachaux and his assistant Sergt. Jacquest Bartel, of the Ord. Dept. american soldiers wearing this armor have gone into actual battle to test the effectiveness of the covering, and upon the result of the experiments depends whether the soldiers are to wear armor. Daniel Tachaux, who has been commissioned by the U.S. Governemnet to design protective armor for soldiers in the trenches, repairing a helmet of the 16th century

Armor - Armor - Designing armor for American Soldiers. In the Armorer'...

Photographer: Publishers Photo Ser. Armor - Armor Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Armor - Armor - Designing armor for American Soldiers. In the Armorer's Workshop of the Metropolitan Museum of Art, N.Y., under the direction of Major Bashford Dean, Ord. Dept., U.S.A. and Curator of Armor at the Museum, armor for the American soldiers fighting in France is being designed. The suits of armor used in medieval times which many collectors have brought to the museum were carefully inspected and thegood points brought to bear in fashioning this modern armor. The actual labor is being performed by Assistant Curator of Armor at the Museum, Daniel Tachaux and his assistant Sergt. Jacquest Bartel, of the Ord. Dept. American soldiers wearing this armor have gone into actual battle to test the effectiveness of the covering, and upon the result of the experiments depends whether the soldiers are to wear armor. Daniel Tachaux examining the construction of a suit of battle armor of the 16th century, to adopt its good points in designing modern armor

Armor - Armor - Designing armor for American Soldiers. In the Armorer'...

Photographer: Publishers Photo Ser. Armor - Armor Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

A Memory Test - Political cartoon, public domain image

A Memory Test - Political cartoon, public domain image

This illustration entitled, "A Memory Test", by cartoonist Clifford Berryman, which appeared in the Washington Evening Star on October 4, 1914, depicts the difficulties that Congress has had in reaching agreeme... More

Hull Division Test Air Tank, Tank No. 3

Hull Division Test Air Tank, Tank No. 3

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 3

Hull Division Test Air Tank, Tank No. 3

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 18

Hull Division Test Air Tank, Tank No. 18

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 27

Hull Division Test Air Tank, Tank No. 27

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 7

Hull Division Test Air Tank, Tank No. 7

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 7

Hull Division Test Air Tank, Tank No. 7

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 18

Hull Division Test Air Tank, Tank No. 18

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 18

Hull Division Test Air Tank, Tank No. 18

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 27

Hull Division Test Air Tank, Tank No. 27

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Hull Division Test Air Tank, Tank No. 18

Hull Division Test Air Tank, Tank No. 18

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Test of Number 12 Boiler and Mechanical Stoker, Bureau of Yards and Docks, Contract 2182, Flue Draft Gauge

Test of Number 12 Boiler and Mechanical Stoker, Bureau of Yards and Do...

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Test of Number 12 Boiler and Mechanical Stoker, Bureau of Yards and Docks, Contract 2182, Wind Box Pressure Gauge and Draft Gauge Over Fire

Test of Number 12 Boiler and Mechanical Stoker, Bureau of Yards and Do...

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Test of Number 12 Boiler and Mechanical Stoker, Bureau of Yards and Docks, Contract Number 2182, Orsat Instrument

Test of Number 12 Boiler and Mechanical Stoker, Bureau of Yards and Do...

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Experimental Floor Number 2, 3rd Test

Experimental Floor Number 2, 3rd Test

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Airplanes - Inspection - Airplanes for government use. Dayton-Wright Airplane Co. Plant, Dayton, Ohio. Motor test department

Airplanes - Inspection - Airplanes for government use. Dayton-Wright A...

Photographer: Dayton-Wright Airplane Co. Airplanes - Inspection Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Wheels - Diagram showing strength test of wheel. From Ackerman Wheel Co., Cleveland, Ohio

Airplanes - Wheels - Diagram showing strength test of wheel. From Acke...

Photographer: Ackerman Wheel Co. Cleveland, Ohio Airplanes - Wheels Public domain scan of aircraft design drawing, technical diagram, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Manufacture of 80 H. P. LE Rhone engine by Union Switch and Signal Co., Swissvale, PA. Inside of building showing engine under first test (three hours)

Airplanes - Engines - Manufacture of 80 H. P. LE Rhone engine by Union...

Date Taken: 7/0/1918 Photographer: Union Switch and Signal Co. Airplanes - Engines

Airplanes - Instruments - Static bending test in aeroplane construction. Forest Products Laboratory, Madison, Wis

Airplanes - Instruments - Static bending test in aeroplane constructio...

Photographer: Forest Products Laboratory, Madison, Wis. Airplanes - Instruments Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Inspection - Hood in position over motor undergoing dynamometer test. Small doors are located in different parts of the hood to allow inspection of motor while running. Curtiss OX-5 Training Plane Motors. The Willys- Overland Company, Elmira (N.Y.) Plant

Airplanes - Inspection - Hood in position over motor undergoing dynamo...

Airplanes - Inspection Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Manufacturing Curtiss OX-5 Airplane Engines at the Willys-Morrow Co. Plant, Elmira, New York. Conveyor system from belting in to engine test

Airplanes - Manufacturing Plants - Manufacturing Curtiss OX-5 Airplane...

Photographer: From the Willys-Morrow Co. Airplanes - Manufacturing Plants Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Ford Motor Co., Detroit, Michigan. Liberty Motor Test Sheds

Airplanes - Engines - Ford Motor Co., Detroit, Michigan. Liberty Motor...

Date Taken: 4/20/1918 Photographer: Chief Sig. Officer of Army Airplanes - Engines

American Red Cross - Groups - American nurses, somewhere in England, off for an hour's walk along the tiny river Test, beloved of Florence Nightingale, who lived along its banks. Her grave is in a tiny village churchyard, not far from the American hospital of which this picture shows the Red Cross Nurses' Club

American Red Cross - Groups - American nurses, somewhere in England, o...

Photographer: American Red Cross American Red Cross - Groups Public domain photograph of nurses, hospital, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Liberty Airplane Engine Test. Plane with Liberty engine in test flight from Dayton, Ohio to Detroit, Michigan. The photograph was taken at the arrival of the plane at the Detroit Fair Grounds. The plane made the flight back to Daytona

Airplanes - Engines - Liberty Airplane Engine Test. Plane with Liberty...

Photographer: Liberty Motor Co. Airplanes - Engines Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Inspection - Manufacture of Liberty Motors, Nordyke & Marmon Co., Indianapolis, Ind. Hall-Scott motor on test

Airplanes - Inspection - Manufacture of Liberty Motors, Nordyke & Marm...

Date Taken: 4/12/1918 Photographer: Rec'd from Nordyke & Marmon Co. Airplanes - Inspection

Airplanes - Instruments - Apparatus for static test

Airplanes - Instruments - Apparatus for static test

Date Taken: 12/26/1917 Airplanes - Instruments Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Nordyke and Marmon Co. Airplane Engine Plant, Indianapolis, IND. Line of test sheds where the motors are tried out. Each motor is given several trial runs

Airplanes - Manufacturing Plants - Nordyke and Marmon Co. Airplane Eng...

Photographer: Nordyke & Marmon Co. Airplanes - Manufacturing Plants Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Inspection - Manufacture of Liberty Motors, Nordyke & Marmon Co., Indianapolis, Ind. Outdoor test shed

Airplanes - Inspection - Manufacture of Liberty Motors, Nordyke & Marm...

Date Taken: 4/12/1918 Photographer: Rec'd from Nordyke & Marmon Co. Airplanes - Inspection

Airplanes - Inspection - View of final test building showing air ducts over stands to carry away the fumes and much of the noise of the exhaust. In the center of this view is shown a motor being lowered on to a dynamometer test stand after being brought to this point by the monorail system. Curtiss OX-5 Training Plane Motors. The Willys-Overland Company, Emira N.Y. Plant

Airplanes - Inspection - View of final test building showing air ducts...

Airplanes - Inspection Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Manufacturing Curtiss Ox-5 airplane engines at the Willy-s Morrow Plant, Elmira, New York. Ready for final test

Airplanes - Engines - Manufacturing Curtiss Ox-5 airplane engines at t...

Photographer: Willys-Morrow Plant Airplanes - Engines Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Armor - Armor - Designing armor for American Soldiers. In the Armorer's Workshop of the Metropolitan Museum of Art, N.Y. where under the direction of Major Bashford Dean, Ord. Dept., U.S.A., and Curator of Armor at the Museum, armor for the American soldiers fighting in France is being designed. The suits or armor used in medieval times which many collectors have brought to the museum were carefully inspected and the good points brought to the museum were carefully inspected and the good points brought to bear in fashioning this modern armor. The actual labor is being performed by Assistant Curator of Armor at the Museum, Daniel Tachaux and his assistnat Sergt. Jacques Bartel, of the Ord. Dept. American soldiers wearing this armor have gone into actual battle to test the effectiveness of the covering, and upon the result of the experiments depends whether the soldiers are to wear armor. A corner of the armor hall in the Metropolitan Museum of Art, New York. The suits of armor are being studied by miltiary experts

Armor - Armor - Designing armor for American Soldiers. In the Armorer'...

Photographer: Publishers Photo Ser. Armor - Armor Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Liberty Airplane Engine Test. Plane with Liberty engine in test flight from Dayton, Ohio to Detroit, Michigan. The photograph was taken at the arrival of the plane at the Detroit Fair Grounds. The plane made the flight back to Daytona

Airplanes - Engines - Liberty Airplane Engine Test. Plane with Liberty...

Photographer: Liberty Motor Co. Airplanes - Engines Public domain photograph of aircraft, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Manufacturing Curtiss OK-5 training aeroplane motors for the United States government at the Elmira Plant of the Willys Overland Company Toledo, Ohio. Close up-view of motor on stand, with propellor and radiator in position, ready to run on the tracks into the stall where it undergoes the "limbering test."

Airplanes - Manufacturing Plants - Manufacturing Curtiss OK-5 training...

Photographer: From Willys Overland Company Airplanes - Manufacturing Plants Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Thomas-Morse Aircraft Corporation Factory, Ithaca, New York. General arrangment of outdoor engine test sheds

Airplanes - Manufacturing Plants - Thomas-Morse Aircraft Corporation F...

Photographer: D.M.A. Airplanes - Manufacturing Plants Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Instruments - Manufacturing altimeters for the aviation section at the plant of the Taylor Instrument Companies, Rochester, N.Y. Type of testing unit, showing instrument ready for test. Rec'd from Taylor Instrument Companies

Airplanes - Instruments - Manufacturing altimeters for the aviation se...

Photographer: Rec'd from Taylor Instrument Companies Airplanes - Instruments Public domain photograph related to electric instruments, free to use, no copyright restrictions image - Picryl description

Camouflage - Experiments - Dazzle painting or camouflage for ships. Making models of merchant ships and warships, used by designers to test new patterns of Dazzle Painting. During the war this camouflage saved many a ship from the torpedo of the U-Boat

Camouflage - Experiments - Dazzle painting or camouflage for ships. Ma...

Date Taken: 2/10/1919 Photographer: Western Newspaper Union Camouflage - Experiments

Colleges and Universities - University of California - School of Military Aeronautics - Test sheds for correction of engine trouble

Colleges and Universities - University of California - School of Milit...

Colleges and Universities - University of California - School of Military Aeronautics Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picr... More

Airplanes - Instruments - Compression test parallel to grain in aeroplane construction. Forest Products Laboratory, Madison, Wis

Airplanes - Instruments - Compression test parallel to grain in aeropl...

Photographer: Forest Products Laboratory, Madison, Wis. Airplanes - Instruments Public domain photograph of industrial design, equipment, free to use, no copyright restrictions image - Picryl description

Airplanes - Instruments - Compression test perpendicular to grain in aeroplane construction. Forest Products Laboratory, Madison, Wis

Airplanes - Instruments - Compression test perpendicular to grain in a...

Photographer: Forest Products Laboratory, Madison, Wis. Airplanes - Instruments Public domain photograph of industrial design, equipment, free to use, no copyright restrictions image - Picryl description

Airplanes - Instruments - Cleavage test in aeroplane construction. Forest Products Laboratory, Madison, Wis

Airplanes - Instruments - Cleavage test in aeroplane construction. For...

Photographer: Forest Products Laboratory, Madison, Wis. Airplanes - Instruments Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Types - Acceptance Park, Detroit, Mich. Curtiss R 4 L with Liberty engine on 150 hour test from Dayton, Ohio. From M.I.D

Airplanes - Types - Acceptance Park, Detroit, Mich. Curtiss R 4 L with...

Photographer: From M.I.D. Airplanes - Types Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Types - All steel plane. All steel plane manufactured by the J.W. Murray Manufacturing Company, Detroit, Mich., weighted down with sand bags in a test

Airplanes - Types - All steel plane. All steel plane manufactured by t...

Photographer: J.W. Murray Mfg. Co. Airplanes - Types Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Alien Property Custodian - Property Seized - Bosch Magneto Company, New York, taken over by Alien Property Custodian. Manufacturing magnetos at the New York plant; test benches

Alien Property Custodian - Property Seized - Bosch Magneto Company, Ne...

Photographer: Alien Property Custodian Alien Property Custodian - Property Seized Public domain photograph of industrial workers, factory building, work, assembly line, free to use, no copyright restrictions i... More

American Red Cross - Miscellaneous - London children get a little pleasure trip in a test run of a convoy of American Red Cross ambulances just arrived from America

American Red Cross - Miscellaneous - London children get a little plea...

Photographer: American Red Cross, France American Red Cross - Miscellaneous Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Struts - Strength test of aeroplane struts. Forest Products Laboratory, Madison, Wis

Airplanes - Struts - Strength test of aeroplane struts. Forest Product...

Photographer: Forest Products Lab., Madison Airplanes - Struts Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Interior view outdoor test rooms, Thomas-Morse Aircraft Corporation Factory, Ithaca, New York

Airplanes - Manufacturing Plants - Interior view outdoor test rooms, T...

Airplanes - Manufacturing Plants Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Manufacture of Liberty Motors, Nordyke and Marmon Co. Main aisle to test sheds

Airplanes - Engines - Manufacture of Liberty Motors, Nordyke and Marmo...

Date Taken: 4/11/1918 Airplanes - Engines Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Main aisle to test sheds. Nordyke & Marmon Co

Airplanes - Manufacturing Plants - Main aisle to test sheds. Nordyke &...

Date Taken: 4/11/1918 Photographer: Nordyke & Marmon Co. Airplanes - Manufacturing Plants

Airplanes - Wings - Strength test of aeroplane wing beams. Forest Products Laboratory, Madison, Wis

Airplanes - Wings - Strength test of aeroplane wing beams. Forest Prod...

Photographer: Forest Products Lab., Madison Airplanes - Wings Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Instruments - Standard shearing test in aeroplane construction. Forest Products Laboratory, Madison, Wis

Airplanes - Instruments - Standard shearing test in aeroplane construc...

Photographer: Forest Products Laboratory, Madison, Wis. Airplanes - Instruments Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Manufacturing Hall-Scott Aeroplane engines; Hall-Scott Motor Car Co., San Francisco, CAL. An engine ready for a test

Airplanes - Engines - Manufacturing Hall-Scott Aeroplane engines; Hall...

Photographer: Hall-Scott Motor Car Co. Airplanes - Engines Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Wings - Test of aeroplane wing ribs. Forest Products Laboratory, Madison, Wis

Airplanes - Wings - Test of aeroplane wing ribs. Forest Products Labor...

Photographer: Forest Products Laboratory, Madison, Wis. Airplanes - Wings Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Instruments - Hardness test in aeroplane construction, Forest Products Laboratory, Madison, Wis

Airplanes - Instruments - Hardness test in aeroplane construction, For...

Photographer: Forest Products Laboratory, Madison, Wis. Airplanes - Instruments Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Room where motors are placed on special stands with propellor mounted preparatory to limbering test

Airplanes - Manufacturing Plants - Room where motors are placed on spe...

Photographer: Willys-Knight Co. N.Y. Airplanes - Manufacturing Plants Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Propellers - Standard Aircraft Corp., N.J., Test Stand, Hall Scott

Airplanes - Propellers - Standard Aircraft Corp., N.J., Test Stand, Ha...

Airplanes - Propellers Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Instruments - Testing apparatus for final test of air pressure. Under the bell jar an artificial atmospheric condition corresponding to 25,000 feet is reached, which is checked by the mercurial barometers on the right, on the left can be seen a standard normal barometer checked in the Bureau of Standards, Washington. Made by Aero Instrument Corp., New York City

Airplanes - Instruments - Testing apparatus for final test of air pres...

Photographer: Aero Instrument Corp Airplanes - Instruments Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Manufacturing Hall-Scott airplanes; Nordyke and Marmon Co., Indianapolis, IND. Hall-Scott motor in test shed on test run

Airplanes - Manufacturing Plants - Manufacturing Hall-Scott airplanes;...

Date Taken: 4/12/1918 Photographer: Nordyke & Marmon Co. Airplanes - Manufacturing Plants

Airplanes - Inspection - Tripline - Breaking Test. Aviation Experiment Station, Hampton, Va

Airplanes - Inspection - Tripline - Breaking Test. Aviation Experiment...

Photographer: Aviation Experiment Station, Hampton, VA. Airplanes - Inspection Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Types - Acceptance Park, Detroit, Mich. Curtiss R 4 L with Liberty engine on 150 hour test from Dayton, Ohio. From M.I.D

Airplanes - Types - Acceptance Park, Detroit, Mich. Curtiss R 4 L with...

Photographer: From M.I.D. Airplanes - Types Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Struts - Continuous loading aeroplane struts. Test showed that if stress is continued for a considerable length of time, strut may collapse under about 80% of load sustained in the usual strut test. Forest Products Laboratory, Madison, Wis

Airplanes - Struts - Continuous loading aeroplane struts. Test showed ...

Photographer: Forest Products Lab., Madison Airplanes - Struts Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Near view showing outdoor engine test sheds. Thomas-Morse Aircraft Corporation Factory, Ithaca, New York

Airplanes - Manufacturing Plants - Near view showing outdoor engine te...

Airplanes - Manufacturing Plants Public domain photograph - prisoners of war, military forces during World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Miscellaneous - Ordnance equipment for seaplanes built at Naval Aircraft Factory, Philadelphia, PA. 1000 lb. torpedo dummy dropped in test

Airplanes - Miscellaneous - Ordnance equipment for seaplanes built at ...

Photographer: Naval Aircraft Factory Airplanes - Miscellaneous Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Alien Property Custodian - Property Seized - Bosch Magneto Company, New York, taken over by Alien Property Custodian. Manufacturing magnetos at the New York plant; test bench impulse starter

Alien Property Custodian - Property Seized - Bosch Magneto Company, Ne...

Photographer: Alien Property Custodian Alien Property Custodian - Property Seized Public domain photograph of manufacturing workers, factory building, assembly line, free to use, no copyright restrictions imag... More

Airplanes - Wings - Flexibility of plywood in aeroplane wings. Test designed to show strength of plywood under service conditions. Repeated bending for a period of 30 hours failed to show any signs of failure. Forest Products Laboratory, Madison, Wis

Airplanes - Wings - Flexibility of plywood in aeroplane wings. Test de...

Photographer: Forest Products Lab., Madison Airplanes - Wings Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Manufacturing Plants - Thomas-Morse Aircraft Corporation Factory, Ithaca, New York. Dynamometer test of first Thomas 135 H.P. aerometer

Airplanes - Manufacturing Plants - Thomas-Morse Aircraft Corporation F...

Photographer: D.M.A. Airplanes - Manufacturing Plants Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Parts - Aeroplane material for government use. Wiring over top, painting, air test and inspection 155 mm cartridge storage cases. From Edwards MFG. Co. Ohio

Airplanes - Parts - Aeroplane material for government use. Wiring over...

Photographer: Edwards MFG. Co. Ohio Airplanes - Parts Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Inspection - Manufacturing Curtiss OX-5 training aeroplane motors for the United States Government at the Elmira N.Y plant of the Willys Overland Company Toledo, Ohio. Part of the line of twenty stalls equipped for the "limbering" test. Each stall has a safety gate to protect workmen from coming in contact with the moving blades. The motor is run for four hours in this test under its own power. For the first half hour it is run at 900 rpm and the speed is increased 100 rpm each half hour up to 1300 rpm. The next half hour it is run at 1350 rpm, and during the lat hour run wide open where the speed will vary from 1390 to 1425 rpm, according to weather conditions or slight variations in the motors

Airplanes - Inspection - Manufacturing Curtiss OX-5 training aeroplane...

Photographer: From Willys Overland Company Airplanes - Inspection Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Colleges and Universities - William L. Dickinson High School - Jersey City, New Jersey - W. L. Dickinson High School, Jersey City, New Jersey. Trade Training Detachment, USA. Test of low voltage generator

Colleges and Universities - William L. Dickinson High School - Jersey ...

Date Taken: 1918 Colleges and Universities - William L. Dickinson High School - Jersey City, New Jersey

Airplanes - Engines - Motor manufacture. Lincoln Motor Co., Plant. Detroit, Michigan. Rebuilding motor after test and inspection

Airplanes - Engines - Motor manufacture. Lincoln Motor Co., Plant. Det...

Photographer: Lincoln Motor Co. Airplanes - Engines Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Manufacturing Hall-Scott Aeroplane engines; Hall-Scott Motor Car Co., San Francisco, CAL. Engine on testing block ready for test

Airplanes - Engines - Manufacturing Hall-Scott Aeroplane engines; Hall...

Photographer: Hall-Scott Motor Car Co. Airplanes - Engines Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Manufacturing Hispano-Suiza Airplane Engines; Wright-Martin Aircraft Corp., New Brunswick, N.J. Section motor block test shed

Airplanes - Engines - Manufacturing Hispano-Suiza Airplane Engines; Wr...

Photographer: Wright-Martin Aircraft Corp. Airplanes - Engines Public domain photograph of aircraft engine, free to use, no copyright restrictions image - Picryl description

Armor - Armor - Designing armor for American soldiers. In the Armorer's Workshop of the Metropolitan Museum of Art, N.Y. under the direction of Major Bashford Dean, Ordance Dept., U.S.A. and curator of armor at the Museum, where armor for the American soldiers fighting in France is being designed. The suits of armor used in medieval times which many collectors have brought to the museum were carefully inspected and the good points brought to bear in fashioning this modern armor. The actual labor is being performed by Assistant Curator of Armor at the Museum, Daniel Facheaux and his assistant Sergt. Jacques Bartel, of the Ordnance Dept. American soldiers wearing this armor have gone into actual battle to test the effectiveness of the covering, and upon the result of the experiments depends whether the soldiers are to wear armor. Old helmets on exhibition in the Metropolitan Museum of Art, N.Y. These helmets are of Italian origin dating back to the 15th century. They are technically known as Saladebarbute, and are all of Milanese workmanship. The helmet on the extreme left is of classic design, and follows the fashion set by the ancient Greeks. These helmets are being studied by military experts so that the good points will not be lost in designing modern armor

Armor - Armor - Designing armor for American soldiers. In the Armorer'...

Photographer: Publishers Photo Ser. Armor - Armor Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Engines - Manufacture of 80 H. P. LE Rhone engine by Union Switch and Signal Co., Swissvale, PA. Engines ready for inspection after first test

Airplanes - Engines - Manufacture of 80 H. P. LE Rhone engine by Union...

Date Taken: 7/0/1918 Photographer: Union Switch and Signal Co. Airplanes - Engines

After a Test on His Own Railway

After a Test on His Own Railway

Berryman Political Cartoon Collection Public domain reproduction of political cartoon, free to use, no copyright restrictions image - Picryl description

Stiff Leg Derrick, Test Weight, 3400 Pounds, Suspended

Stiff Leg Derrick, Test Weight, 3400 Pounds, Suspended

Photographs of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard

Army Trucks Finish 3000 Mile Trip In n Francisco. The End of the Trail for the Army Truck Convoy Which Started from Washington District of Columbia for n Francisco. PHOTO shows Mack Trucks Leading along Market Street, Which was gaily Decorated to Receive Them With Crowds Lining the Walks 72 Trucks Made the Trip in 62 days. To test the feasibility of moving men and equipment across the country, on July 7th, the US Army, under the command of Lieutenant Colonel Charles W. McClure, Army Motor Transport Corps, led 65 trucks and other vehicles, for total of 72, and 300 troops, on a cross country trip from Washington District of Columbia to n Francisco. The trip took 62 days. Arriving in...

Army Trucks Finish 3000 Mile Trip In n Francisco. The End of the Trail...

The original finding aid described this photograph as: [Complete] Scene Caption: Army Trucks Finish 3000 Mile Trip In San Francisco. The End of the Trail for the Army Truck Convoy Which Started from Washington... More

Boring Test Holes at Proposed Dam Site - Bureau of Indian Affairs

Boring Test Holes at Proposed Dam Site - Bureau of Indian Affairs

Public domain photograph related to native Americans, Reservations, free to use, no copyright restrictions image - Picryl description

020321-N-9849W-001(March 21, 2002)....A RIM-116A Rolling Airframe Missile (RAM) is fired from the US Navy (USN) Aircraft Carrier USS KITTY HAWK (CV 63) during a test of the shipΓs newly installed system. RAM is a lightweight quick-reaction high-firepower anti-ship weapon system designed as an all-weather, high-firepower, low-cost, self-defense system against anti-ship missiles. This is the first time an aircraft carrier has utilized the RAM system. The KITTY HAWK is conducting work-ups in preparation for a scheduled deployment

020321-N-9849W-001(March 21, 2002)....A RIM-116A Rolling Airframe Miss...

The original finding aid described this photograph as: Base: Uss Kitty Hawk (CV 63) Scene Major Command Shown: USS KITTY HAWK (CV 63) Scene Camera Operator: PH3 John E. Woods, USN Release Status: Released t... More

USS Prinz Eugen as part of the Crossroads Test Fleet in Bikini Lagoon

USS Prinz Eugen as part of the Crossroads Test Fleet in Bikini Lagoon

The USS Prinz Eugen was formerly a ship of the German navy and was awarded to the United States as a war prize after World War Two. It was then used in the test fleet during the Able Day and Baker Day atomic te... More

Bear Creek Dam (Digging Test Hole) - Bureau of Indian Affairs

Bear Creek Dam (Digging Test Hole) - Bureau of Indian Affairs

Public domain photograph related to native Americans, Reservations, free to use, no copyright restrictions image - Picryl description

Bear Creek Dam (Core Section Test) - Bureau of Indian Affairs

Bear Creek Dam (Core Section Test) - Bureau of Indian Affairs

Public domain photograph related to native Americans, Reservations, free to use, no copyright restrictions image - Picryl description

Project (White Clay Dam Group Running Density Test) - Bureau of Indian Affairs

Project (White Clay Dam Group Running Density Test) - Bureau of Indian...

Public domain photograph related to native Americans, Bureau of Indian Affairs, Reservations, free to use, no copyright restrictions image - Picryl description Pine Ridge Agency: Miscellaneous Photographs

Bear Creek Dam (Test Hole Digging) - Bureau of Indian Affairs

Bear Creek Dam (Test Hole Digging) - Bureau of Indian Affairs

Public domain photograph related to native Americans, Bureau of Indian Affairs, Reservations, free to use, no copyright restrictions image - Picryl description Pine Ridge Agency: Miscellaneous Photographs

Metal-Repair Class (Pressure Test) - Bureau of Indian Affairs

Metal-Repair Class (Pressure Test) - Bureau of Indian Affairs

Public domain photograph related to native Americans, Bureau of Indian Affairs, Reservations, free to use, no copyright restrictions image - Picryl description Pine Ridge Agency: Miscellaneous Photographs

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