experiments

Experiments on the tight rope - Political cartoon, public domain image

A figurative portrayal of Whig candidate Winfield Scott's failure in the 1852 presidential contest, attributed by the artist to his alliance with abolitionist interests. Scott is hoisted aloft via a pulley sys... More

[Students in a science class conducting experiments, Western High Scho...

Picryl description: Public domain image of a classroom, college auditorium, school, students, teaching, education, free to use, no copyright restrictions.

[School children conducting simple experiments, Washington, D.C.]

No. 350. In album: "Public Schools - 7th Division." Forms part of: Frances Benjamin Johnston Collection (Library of Congress).

Appears before T.V.A. Committee. Washington, D.C., Nov. 19. Dean Thoma...

A black and white photo of a man sitting at a table. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

[View of Kitty Hawk, North Carolina, which includes the bay, photograp...

Title based on reference print and information in: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p.46. Attributed to Wilbur and/o... More

[Harvey Washington Wiley, looking through optical instrument in labora...

Photo made for article in N.Y. Herald, 1902 May. Harvey W. Wiley Collection.

Miss Jeanne Dougherty, graduate in Bacteriology, working in the labora...

Picryl description: Public domain photograph of the 1930s - 1940s, woman, female portrait, United States, free to use, no copyright restrictions.

Bulletins, from July 13, 1908 to September 28, 1908

Alexander Graham Bell Papers. Picryl description: Public domain image of an aircraft, aviation, air forces, free to use, no copyright restrictions.

Bulletins, from October 5, 1908 to December 28, 1908

Alexander Graham Bell Papers. Public domain aerial photograph, no copyright restrictions image - Picryl description Public domain photograph - New York, United States, free to use, no copyright restrictions i... More

Bulletins, from January 4, 1909 to April 12, 1909

Alexander Graham Bell Papers. Public domain photograph related to Theodore Roosevelt, free to use, no copyright restrictions image - Picryl description

Richmond Hill Plantation, Sterling Creek Marsh, East of Richmond Hill ...

Significance: The Sterling Marsh contains formal tidal rice fields associated with the antebellum Richmond Plantation, and were also reclaimed in the 1930s during Henry Ford's tenure and used for lettuce produc... More

Richmond Hill Plantation, Sterling Creek Marsh, East of Richmond Hill ...

Significance: The Sterling Marsh contains formal tidal rice fields associated with the antebellum Richmond Plantation, and were also reclaimed in the 1930s during Henry Ford's tenure and used for lettuce produc... More

Richmond Hill Plantation, Sterling Creek Lettuce Shed, East of Richmon...

Public domain photograph of window, architectural element, free to use, no copyright restrictions image - Picryl description

Richmond Hill Plantation, Laboratory-Powerhouse & Chimney, East of Ric...

Significance: Henry Ford converted this abandoned rice mill for use as his personal laboratory. A steam boiler in this structure also created electricity and heat for the nearby Ford Mansion. Survey number: H... More

Richmond Hill Plantation, Laboratory-Powerhouse & Chimney, East of Ric...

Significance: Henry Ford converted this abandoned rice mill for use as his personal laboratory. A steam boiler in this structure also created electricity and heat for the nearby Ford Mansion. Survey number: H... More

Richmond Hill Plantation, Laboratory-Powerhouse & Chimney, East of Ric...

Significance: Henry Ford converted this abandoned rice mill for use as his personal laboratory. A steam boiler in this structure also created electricity and heat for the nearby Ford Mansion. Survey number: H... More

Richmond Hill Plantation, Laboratory-Powerhouse & Chimney, East of Ric...

Significance: Henry Ford converted this abandoned rice mill for use as his personal laboratory. A steam boiler in this structure also created electricity and heat for the nearby Ford Mansion. Survey number: H... More

Richmond Hill Plantation, Laboratory-Powerhouse & Chimney, East of Ric...

Significance: Henry Ford converted this abandoned rice mill for use as his personal laboratory. A steam boiler in this structure also created electricity and heat for the nearby Ford Mansion. Survey number: H... More

Richmond Hill Plantation, Laboratory-Powerhouse & Chimney, East of Ric...

Significance: Henry Ford converted this abandoned rice mill for use as his personal laboratory. A steam boiler in this structure also created electricity and heat for the nearby Ford Mansion. Survey number: H... More

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Milwaukee Metropolitan Sewage Treatment Plant, 700 East Jones Street, ...

Picryl description: Public domain image of a fishing boat, free to use, no copyright restrictions.

Milwaukee Metropolitan Sewage Treatment Plant, 700 East Jones Street, ...

Picryl description: Public domain image of an industrial building, warehouse, depot, train station, 19th-20th century, free to use, no copyright restrictions.

Milwaukee Metropolitan Sewage Treatment Plant, 700 East Jones Street, ...

Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.

Milwaukee Metropolitan Sewage Treatment Plant, 700 East Jones Street, ...

Picryl description: Public domain photo of a factory, warehouse, commercial or industrial building, free to use, no copyright restrictions image.

Milwaukee Metropolitan Sewage Treatment Plant, 700 East Jones Street, ...

Picryl description: Public domain image of a fishing boat, free to use, no copyright restrictions.

Milwaukee Metropolitan Sewage Treatment Plant, 700 East Jones Street, ...

Picryl description: Public domain image of a fishing boat, free to use, no copyright restrictions.

Milwaukee Metropolitan Sewage Treatment Plant, 700 East Jones Street, ...

Picryl description: Public domain image of a fishing boat, free to use, no copyright restrictions.

Minutes, September 26, 1908

Notebook by Alexander Graham Bell, from January 20, 1910 to March 14, ...

Notebook by Alexander Graham Bell, from January 20, 1910 to March 14, ...

Lowell Canal System, Merrimack & Concord Rivers, Lowell, Middlesex Cou...

Significance: The City of Lowell is generally considered to be the birthplace of large-scale manufacturing in the U.S. Begun as a transportation canal, the Lowell Canal System evolved, during the 19th century,... More

Thomas A. Edison Laboratories, Building No. 3, West Orange, Essex Coun...

See also HABS NJ-808 (A-B) for additional documentation. Significance: The front of building was built in 1887 as supply room for the laboratory in general, but especially for the chemistry lab; the rear of bui... More

Bureau of Mines Boulder City Experimental Station, Administration Offi...

Significance: Building 100, as part of the Date Street Complex, was part of the Bureau of Mines Electrometallurgical Research Facility located in Boulder City. As such, it is within the designated Boulder City... More

Richmond Hill Plantation, East of Richmond Hill on Ford Neck Road, Ric...

Significance: Henry Ford's personal estate, listed on the National Register of Historic Places. Survey number: HABS GA-2348 Building/structure dates: 1935-1937 Initial Construction Building/structure dates: ... More

Richmond Hill Plantation, East of Richmond Hill on Ford Neck Road, Ric...

Significance: Henry Ford's personal estate, listed on the National Register of Historic Places. Survey number: HABS GA-2348 Building/structure dates: 1935-1937 Initial Construction Building/structure dates: ... More

Richmond Hill Plantation, East of Richmond Hill on Ford Neck Road, Ric...

Significance: Henry Ford's personal estate, listed on the National Register of Historic Places. Survey number: HABS GA-2348 Building/structure dates: 1935-1937 Initial Construction Building/structure dates: ... More

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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.

Thomas A. Edison Laboratories, Building No. 5, West Orange, Essex Coun...

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.

Bureau of Mines Metallurgical Research Laboratory, Original Building, ...

Significance: Building 200, as part of the Date Street Complex, was part of the Bureau of Mines Electrometallurgical Research Facility located in Boulder City. As such, it is within the designated Boulder City... More

Bureau of Mines Metallurgical Research Laboratory, Original Building, ...

Significance: Building 200, as part of the Date Street Complex, was part of the Bureau of Mines Electrometallurgical Research Facility located in Boulder City. As such, it is within the designated Boulder City... More

Bureau of Mines Metallurgical Research Laboratory, Original Building, ...

Significance: Building 200, as part of the Date Street Complex, was part of the Bureau of Mines Electrometallurgical Research Facility located in Boulder City. As such, it is within the designated Boulder City... More

Open Gate Farm, House, Ridge Road, 1 mile East of Elephant Road, Perka...

Significance: Stone farmhouse displaying the additive quality typical of Bucks County farmhouse architecture. The entire house was built in sections, during the late 18th and early 19th centuries. It has a numb... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Quincy Mining Company, Hancock, Houghton County, MI

Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More

Oshkosh Grass Matting Company, 35 Wisconsin Street, Oshkosh, Winnebago...

Picryl description: Public domain image of an industrial building, warehouse, depot, train station, 19th-20th century, free to use, no copyright restrictions.

Oshkosh Grass Matting Company, 35 Wisconsin Street, Oshkosh, Winnebago...

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.

Oshkosh Grass Matting Company, 35 Wisconsin Street, Oshkosh, Winnebago...

Picryl description: Public domain image of an office, table, bureau, desk, free to use, no copyright restrictions.

Blossom Point Farm, La Plata, Charles County, MD

Significance: Although architecturally simple in design, the Ballast House contains exceptionally fine, attractive 18th century style interior woodwork in remarkably good condition. The original kitchen, once ... More

Blossom Point Farm, La Plata, Charles County, MD

Significance: Although architecturally simple in design, the Ballast House contains exceptionally fine, attractive 18th century style interior woodwork in remarkably good condition. The original kitchen, once ... More

Blossom Point Farm, La Plata, Charles County, MD

Significance: Although architecturally simple in design, the Ballast House contains exceptionally fine, attractive 18th century style interior woodwork in remarkably good condition. The original kitchen, once ... More

Blossom Point Farm, La Plata, Charles County, MD

Significance: Although architecturally simple in design, the Ballast House contains exceptionally fine, attractive 18th century style interior woodwork in remarkably good condition. The original kitchen, once ... More

Thomas A. Edison Laboratories, Main Street & Lakeside Avenue, West Ora...

See also HABS NJ-808 (A-B) for additional documentation. Significance: The Thomas A. Edison West Orange Laboratory site represents a significant era in the history of American manufacturing. Edison originally ... More

Thomas A. Edison Laboratories, Building No. 2, West Orange, Essex Coun...

See also HABS NJ-808 (A-B) for additional documentation. Significance: The Chemistry Laboratory was built in 1887 and was used as a chemistry lab until Edison's death in 1931. It was deliberately maintained as... More

Journal by Alexander Graham Bell, from June 7, 1902 to December 11, 19...

Bulletins, from July 13, 1908 to September 28, 1908

Alexander Graham Bell Papers. Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Bulletins, from July 13, 1908 to September 28, 1908

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

Bulletins, from July 13, 1908 to September 28, 1908

Alexander Graham Bell Papers. Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Bulletins, from July 13, 1908 to September 28, 1908

Alexander Graham Bell Papers. Picryl description: Public domain image of an early aircraft, aeronautics, free to use, no copyright restrictions.

Bulletins, from July 13, 1908 to September 28, 1908

Alexander Graham Bell Papers. Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Bulletins, from January 4, 1909 to April 12, 1909

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

Bulletins, from January 4, 1909 to April 12, 1909

Alexander Graham Bell Papers. Public domain aerial photograph, no copyright restrictions image - Picryl description Public domain photograph of a ship, free to use, no copyright restrictions image - Picryl description

Bulletins, from January 4, 1909 to April 12, 1909

Alexander Graham Bell Papers. Public domain aerial photograph, no copyright restrictions image - Picryl description

Bulletins, from January 4, 1909 to April 12, 1909

Alexander Graham Bell Papers. Public domain aerial photograph, no copyright restrictions image - Picryl description

Bulletins, from January 4, 1909 to April 12, 1909

Alexander Graham Bell Papers. Public domain aerial photograph, no copyright restrictions image - Picryl description Public domain photograph of experimental aircraft, prototype, aviation design and developmen... More

Bulletins, from January 4, 1909 to April 12, 1909

Alexander Graham Bell Papers. Public domain aerial photograph, no copyright restrictions image - Picryl description Public domain photograph of aircraft, free to use, no copyright restrictions image - Picryl ... More

Juggler's oracle, or, the whole art of legerdemain laid open.

Also available in digital form on the Library of Congress Web site.

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Letter from Alexander Graham Bell to Albert A. Michelson, May 14, 1881

[Students in a chemistry class conducting an experiment, Western High ...

No. 5. In album: "Western High School." Forms part of: Frances Benjamin Johnston Collection (Library of Congress).

A black and white photo of a man kneeling in the dirt, West Virginia. ...

Picryl description: Public domain photograph of a farmer, 1930s, 20th-century great depression era, free to use, no copyright restrictions.

U.S. testing liveliness of baseballs. Washington, D.C., Feb. 21. Exper...

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Future may see hens lay eggs of different colors through experiments o...

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Bulletins, from July 13, 1908 to September 28, 1908

Alexander Graham Bell Papers. Picryl description: Public domain image of an aircraft, aviation, air forces, free to use, no copyright restrictions.

Bulletins, from July 13, 1908 to September 28, 1908

Alexander Graham Bell Papers. Picryl description: Public domain image of an aircraft, aviation, air forces, free to use, no copyright restrictions.

Bulletins, from October 5, 1908 to December 28, 1908

Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.

Bulletins, from July 13, 1908 to September 28, 1908

Alexander Graham Bell Papers. Picryl description: Public domain image of an aircraft, aviation, air forces, free to use, no copyright restrictions.

Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...

Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.

Northern Canal, Pawtucket Gatehouse, Northern Canal & Merrimack River,...

Public domain photograph of textile, pattern design, free to use, no copyright restrictions image - Picryl description