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Dr. Chas. Hunts & Invention, [7/15/24]

Dr. Chas. Hunts & Invention, [7/15/24]

A man standing in a body of water next to a bike. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Lester P. Barlow & Rep. Chas. F. Curry with airplane invention, [1/28/26]

Lester P. Barlow & Rep. Chas. F. Curry with airplane invention, [1/28/...

A couple of men standing next to each other at a desk. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Shenandoah Valley. Paul Fletcher's tiny factory in Harrisburg, which turns out fifteen bottle washing machines a year, selling at thirty-five hundred dollars a piece. This was an invention of Mr. Fletcher's under the spur of necessity

Shenandoah Valley. Paul Fletcher's tiny factory in Harrisburg, which t...

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

Original manuscript, controversy with Charles D. Jackson regarding the invention of the telegraph

Original manuscript, controversy with Charles D. Jackson regarding the...

Picryl description: Public domain manuscript page scan, free to use, no copyright restrictions image.

Letter from Arthur McCurdy to Alexander Graham Bell, October 26, 1899
Lincoln's invention. - Public domain broadside, Library of Congress

Lincoln's invention. - Public domain broadside, Library of Congress

Public domain image related to President Abraham Lincoln, gelatin silver print, free to use, no copyright restrictions image - Picryl description

Pill-Box Fort finished in four hours. Washington, D.C., Aug. 25. Something new in speedy-built forts was built on the grounds of the Bureau of Standards today in four hours. Karl P. Billner, Swedish Inventor, supervised the building of the pill box which was done by his new invention as the vacuum concrete invention. Mr. Billner, is looking over the finished product, 8/25/38

Pill-Box Fort finished in four hours. Washington, D.C., Aug. 25. Somet...

Public domain photograph of Washington DC, 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Unknown to Unknown, January 5, 1813. Invention Re Motion.

Unknown to Unknown, January 5, 1813. Invention Re Motion.

Transcripts, guides, and tools to help you use this collection may be found at loc.gov James Madison Papers.

Machinery Palace filled with the wonders of modern invention (view S. E. ), World's Fair, St. Louis, U. S. A.

Machinery Palace filled with the wonders of modern invention (view S. ...

H54138 U.S. Copyright Office. No. 30. Public domain photograph of landscape view, nature, stereoscopic card, free to use, no copyright restrictions image - Picryl description

[Thomas Alva Edison, 1847-1931, three-quarter length portrait, standing, in laboratory]

[Thomas Alva Edison, 1847-1931, three-quarter length portrait, standin...

Photo copyrighted by Pach. This record contains unverified, old data from caption card.

Lester P. Barlow & Rep. Chas. F. Curry with airplane invention, 1/28/26

Lester P. Barlow & Rep. Chas. F. Curry with airplane invention, 1/28/2...

Two men sitting at a desk looking at a map. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Circulars, from December 20, 1878 to May 23, 1879

Circulars, from December 20, 1878 to May 23, 1879

Picryl description: Public domain document related to trials and litigations, free to use, no copyright restrictions image.

Herr Granada, Alma Fedora in their own invention, the revolving pyrotechnic fountain marvellous [sic] high wire artists.

Herr Granada, Alma Fedora in their own invention, the revolving pyrote...

Created by "Calhoun Print, Hartford." Forms part of: Theatrical poster collection (Library of Congress)

Machinery Palace filled with the wonders of modern invention (view S. E. ), World's Fair, St. Louis, U. S. A.

Machinery Palace filled with the wonders of modern invention (view S. ...

H50802 U.S. Copyright Office. Public domain photograph of a landmark building, world heritage site, stereoscopic card, free to use, no copyright restrictions image - Picryl description

Dr. E. Francis Warren, of Harvard U., believes he will be able to "shoot down" the heaviest clouds and fog by his new invention demonstrated recently at Bolling Field, Wash., by Army fliers. The process uses sand and he states that if enough airplanes are equipped with this device, it will not only be possible to break up clouds and cause rainbut to remove fogs from over both cities and harbors. The picture shows Lt. W. E. Melville pouring sand into the pit. Directly underneath the wing can be seen a nozzle that sprays the sand through the air

Dr. E. Francis Warren, of Harvard U., believes he will be able to "sho...

Picryl description: Public domain image of an aircraft, aviator, 1910s-1920s, early 20th-century aviation, free to use, no copyright restrictions.

Shenandoah Valley. Paul Fletcher's tiny factory in Harrisburg, which turns out fifteen bottle washing machines a year, selling at thirty-five hundred dollars a piece. This was an invention of Mr. Fletcher's under the spur of necessity

Shenandoah Valley. Paul Fletcher's tiny factory in Harrisburg, which t...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Letter from Alexander Graham Bell to James C. Watson, December 26, 1878

Letter from Alexander Graham Bell to James C. Watson, December 26, 187...

Picryl description: Public domain document related to trials and litigations, free to use, no copyright restrictions image.

Moteur hydrostatique & a base de tous liquides à mouvement perpetuel relatif, c'est-à-dire, soumis à la casse, à l'usure des pièces, à l'entretien de sa base & à la volanté de l'homme / Invention de J.B. Métivier, 1867, Paris.

Moteur hydrostatique & a base de tous liquides à mouvement perpetuel r...

Design drawings for a hydrostatic motor capable of up to 100,000 horse power, for use in air, sea and land transportation, invented by J.B. Metivier in 1867. (Source: A.G. Renstrom, LC staff, 1981-82). Tissand... More

Drawing by Alexander Graham Bell, 1876

Drawing by Alexander Graham Bell, 1876

Public domain photograph of correspondence, letter, manuscript, free to use, no copyright restrictions image - Picryl description.

Dr. Chas. Hunts & Invention, 7/15/24

Dr. Chas. Hunts & Invention, 7/15/24

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Alexander Graham Bell at the unveiling of a plaque commemorating the 1876 invention of the telephone, Boston, Massachusetts., 1916 / photo by Richard W. Sears.

Alexander Graham Bell at the unveiling of a plaque commemorating the 1...

Blind stamp on lower right: Photo by Richard W. Sears, Boston. Forms part of: Gilbert H. Grosvenor Collection of Photographs of the Alexander Graham Bell Family (Library of Congress).

"Lady Edison" with latest invention: an air baby doll that can be bathed. Miss Beulah Louise Henry, of North Carolina and a direct descendent of Patrick Henry, is often called the "Lady Edison" because of her many inventions. She arrived at the Patent Office in Washington today to consult with Uncle Sam about one of her more than 40 inventions. Miss Henry is shown with her latest invention, an air baby doll which can be bathed and looks more like a real baby than any of its kind

"Lady Edison" with latest invention: an air baby doll that can be bath...

A woman sitting in a chair holding a baby. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

DeLand pool. Improvised foundry, Daytona Beach. City fireman J.L. Clayton of Daytona Beach, Florida, turned curiosity into war production. Several years ago he became interested in molding metals, particularly brass and aluminum in his spare time and put up a one-man foundry in back of the fire station as a hobby. Now he's making cast parts for the DeLand industrial pool and turning out aluminum air raid sirens of his own invention. Clayton is pulling a newly-cast siren section out of the mold. With him is R.G. Campbell, Jr., foreman of his expanded hobby shop

DeLand pool. Improvised foundry, Daytona Beach. City fireman J.L. Clay...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Invention for defense. John C. Garand, inventor of the Army's semi-automatic rifle, at work in his model shop

Invention for defense. John C. Garand, inventor of the Army's semi-aut...

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

I don't mind, Henry : what is your invention?

I don't mind, Henry : what is your invention?

Gift; Ernest Fuhr estate; (DLC/PP-1934:0111). Forms part of: Cabinet of American illustration (Library of Congress). Published in: "Progress" by St. John Ervine, Saturday evening post, 194:10 (Feb. 11, 1922).

The latest in plows. Washington, D.C., July 14. R.B. Gray, Chief of the Div. of Mechanical Equipment, U.S. Bureau of Agricultural Engineering, tightens a nut on a self-aligning jointer. An invention which helps to do a better job of plowing while reducing the power requirement 10 to 15 percent. The metal hood at the side of the plow itself is a trash guide, which helps to turn under trash, weeds, and corn stalks. it is a factor in controlling such pests as the European Corn Borer, 7/14/38

The latest in plows. Washington, D.C., July 14. R.B. Gray, Chief of th...

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Pamphlet by Alexander Graham Bell, 1876
Pamphlet by Alexander Graham Bell, 1876
Pill-Box Fort built in four hours. Washington, D.C., Aug. 25. Something new in speedy-built forts was built on the grounds of the Bureau of Standards today in four hours. Karl P. Billner, Swedish Inventor, supervised the building of the pill box which was done by his new invention as the vacuum concrete invention. Today's demonstration was to show a new and more efficient method of construction for defense purposes under emergencies, 8/25/38

Pill-Box Fort built in four hours. Washington, D.C., Aug. 25. Somethin...

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Original manuscript, controversy with Charles D. Jackson regarding the invention of the telegraph

Original manuscript, controversy with Charles D. Jackson regarding the...

Picryl description: Public domain manuscript page scan, free to use, no copyright restrictions image.

Letter from Gardiner Greene Hubbard to Alexander Graham Bell, December 11, 1877
Herr Granada, Alma Fedora in their own invention, the revolving pyrotechnic fountain marvellous [sic] high wire artists.

Herr Granada, Alma Fedora in their own invention, the revolving pyrote...

Created by "Calhoun Print, Hartford." Forms part of: Theatrical poster collection (Library of Congress)

Invention of printing - Gutenberg taking the first proof

Invention of printing - Gutenberg taking the first proof

Gutenberg with 3 other people and printing press. Steel engraving copyrighted by Johnson, Fry & Co. This record contains unverified, old data from caption card. Caption card tracings: Printing...; Artists, Publ... More

Letter from John Peirce to Alexander Graham Bell, July 7, 1877
[George Washington Carver, full-length portrait, standing in field, probably at Tuskegee, holding piece of soil]

[George Washington Carver, full-length portrait, standing in field, pr...

Booker T. Washington Collection (Library of Congress). Original negative may be available: LC-J694-520

Miss Mary Bradley, Junior Hematologist of the Bureau of Plant Industry, Dept. of Agric., with a new invention of the Bureau with which parasites can be seperated from the soil

Miss Mary Bradley, Junior Hematologist of the Bureau of Plant Industry...

A black and white photo of a woman in a kitchen. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Arthur H. Boreman and A. S. Garretson to Abraham Lincoln, Saturday, October 31, 1863  (Military invention)
New quick drying defense huts demonstrated to government officials. Washington, D.C., Aug. 25. By means of a new invention known as the vacuum concrete process, a pill box fort was erected on the grounds of the National Bureau of Standards today in the record time of four hours. The purpose of the demonstration was to show a new and more efficient method of construction for defense purposes under emergencies. K.P. billner (right) inventor of the process, is pictured explaining it to Dr. Lyman Briggs, ([...])Director of the Bureau of Standards, and [..] Monroe Johnson, Assistant Secretary of Commerce

New quick drying defense huts demonstrated to government officials. Wa...

A group of men standing next to each other. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Notes by Alexander Graham Bell, undated
Letter from Elisha Gray to Alexander Graham Bell, February 24, 1877
Letter from Mabel Hubbard Bell to Alexander Graham Bell, August 21, 1878
Letter from Mabel Hubbard Bell to Alexander Graham Bell, 1878
Letter from Eli W. Blake, Jr. to Alexander Graham Bell, March 19, 1877
Letter from Gertrude McCurdy Hubbard to Alexander Graham Bell, April 1877
Letter from Gardiner Greene Hubbard to Alexander Graham Bell, March 2
Letter from Eli W. Blake, Jr. to Alexander Graham Bell, March 19, 1877
Letter from Alexander Graham Bell to Mabel Hubbard Bell, August 21, 1878
Letters from Edward B. Brown to James J. Storrow, from March 20, 1887 to November 12, 1888
Letter from F. L. Radcliffe to Alexander Graham Bell, January 15, 1888
Notebook by Alexander Graham Bell, from 1875 to 1876
Letter from Eli W. Blake, Jr. to Alexander Graham Bell, March 23, 1877
Letter from Elisha Gray to Alexander Graham Bell, February 24, 1877
Pamphlet by Alexander Graham Bell, 1914
Letter from Alexander Graham Bell to James C. Watson, December 26, 1878

Letter from Alexander Graham Bell to James C. Watson, December 26, 187...

Picryl description: Public domain document related to trials and litigations, free to use, no copyright restrictions image.

Letter from Alexander Graham Bell to Mabel Hubbard Bell, March 12, 1901
Notebook by Alexander Graham Bell, from 1875 to 1876
Letters from James J. Storrow to Edward B. Brown, from May 12, 1887 to November 10, 1888
Letter from Alexander Graham Bell to Mabel Hubbard Bell, September 10, 1900
Notebook by Alexander Graham Bell, from 1875 to 1876
Pamphlet by Alexander Graham Bell, 1876
Pamphlet by Alexander Graham Bell, 1876
Pamphlet by Alexander Graham Bell, 1876
Letters from Edward B. Brown to James J. Storrow, from March 20, 1887 to November 12, 1888
Pamphlet by Alexander Graham Bell, 1876
Notebook by Alexander Graham Bell, from 1875 to 1876
Notebook by Alexander Graham Bell, from 1875 to 1876
Notebook by Alexander Graham Bell, from 1875 to 1876
Letter from Alexander Graham Bell to Mabel Hubbard Bell, March 12, 1901
To prevent annoyance from flies, and musquitos- buy Clough & Burrell's revolving light house patent fly trap. The best and neatest invention for the purpose known ... Thomas R. Davis, (Propeller) Agent. at the "City reporter office," 2d Floor. N

To prevent annoyance from flies, and musquitos- buy Clough & Burrell's...

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 33.

Letter from Alexander Graham Bell to Mabel Hubbard Bell, September 10, 1900
Letter from Alexander Graham Bell to Mabel Hubbard Bell, September 10, 1900
Speech by Thomas A. Watson, May 18, 1915
Speech by Thomas A. Watson, May 18, 1915
Speech by Thomas A. Watson, May 18, 1915
Man’s Effort to Soar [Science and Invention, 1911 [?]]

Man’s Effort to Soar [Science and Invention, 1911 [?]]

The Wilbur and Orville Wright Papers is a collection of documents related to the Wright brothers, two American inventors who are credited with building and flying the first successful powered airplane. The coll... More

Letter from Elisha Gray to Alexander Graham Bell, February 24, 1877
Letter from Elisha Gray to Alexander Graham Bell, February 21, 1877
Letter from John Peirce to Alexander Graham Bell, July 7, 1877
Letter from Thomas A. Watson to Alexander Graham Bell, March 12, 1878
Letter from Thomas A. Watson to Alexander Graham Bell, March 30, 1880
Notes, 1877
Notes, 1877
Notes, 1877
Notes, 1877
Letter from Gardiner Greene Hubbard to Alexander Graham Bell, December 11, 1877
Letter from Gardiner Greene Hubbard to Alexander Graham Bell, December 11, 1877
Letter from Gardiner Greene Hubbard to Alexander Graham Bell, December 11, 1877
H. R. 234. January 27, 1836 ... A bill to provide compensation to James Barron for the use of his invention, called "A ventilator of ships." [Washington, 1836].

H. R. 234. January 27, 1836 ... A bill to provide compensation to Jame...

24th Congress 1st session. 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 231, Folder 17a.

Notebook by Alexander Graham Bell, from 1875 to 1876
Notebook by Alexander Graham Bell, from 1875 to 1876
Notebook by Alexander Graham Bell, from 1875 to 1876
Notebook by Alexander Graham Bell, from 1875 to 1876
Notebook by Alexander Graham Bell, from 1875 to 1876
Notice to millers, &c. As attorney in fact for Michael Withers, the patentee of cast iron wing gudgeons: I do hereby give all persons public notice who use Michael Wither's invention or improvement in the said patent gudgeons, that the price is

Notice to millers, &c. As attorney in fact for Michael Withers, the pa...

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 244, Folder 30.

Letter from Mabel Hubbard Bell to Alexander Graham Bell, June 11, 1899
Letter from Alexander Graham Bell to George Brown, October 4, 1874
Letter from Alexander Graham Bell to George Brown, October 4, 1874
Pamphlet by Alexander Graham Bell, 1876
Letter from William F. Channing to Alexander Graham Bell, July 16, 1877
Circular, February 19, 1879
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