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  Thomas Wedgwood and Humphry Davy publish their experiments the Journal of the Royal Institution of Great Britain. They experimented with using light-sensitive chemicals, captured fixed silhouette images on paper and other materials by immersion in a silver nitrate solution, and captured images inside a camera obscura (dark room).
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  The United States purchases Louisiana from France
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  A reshuffling of French rulers as Napoleon is forced to abdicate (twice) and Bourbon monarchs were restored to the throne with lessening power.
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  Begins to experiment with a new form of lithography and develops a new process of "drawing with the sun" and calls it heliography
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  Joseph Nicéphore Niépce creates the worlds first surviving permanent photograph from a camera. It is a photo of a view from an upstairs window from his estate
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  Joseph Niépce is introduced to Louis Daguerre by Charles Chevalier, a Parisian optics instrument maker. They begin a collaborative relationship.
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  Joseph Niépce and Daguerre work together on improving the photographic process. Both sign a contract on December 14, 1829 and work together until Joseph Niépce's sudden death in 1833
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  Henry Fox Talbot, a British scientist, experiments with using light to make images.
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  Joseph Niépce's dies suddenly in 1833 and Daguerre's resumes his work.
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  After experimenting with Niépce's processes to develop latent prints and experimenting with a saline solution. Daguerre perfects and creates the daguerrotype .
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  Henry Fox Talbot patents the photographic process called the calotype. It is the photographic process e that produced a negative which allowed copies to be made. The calotype process is most similar to the process used in modern photography.
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  The book was published in six sections between 1844 and 1846 and contained 24 calotype images
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  “What hath God Wrought” was the first message sent by telegraph on May 24, 1844. Invented by Samuel Morse with help of Alfred Vail.
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  Mathew Brady opens studio in New York in 1844, several years before The Civil War.
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  A war between the U.S. and Mexico that led to the annexation of Texas.
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  Augustus Washington was a free person of African and South-Asian descent, opens a daguerrean studio in Hartford, CT in 1846.
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  Founded in 1847, one of the earliest photography clubs established.
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  The first photograph taken during a time of war was a daguerreotype taken by an unknown photograph in 1847. The photo is titled: General Wool and Staff, Calle Real, Saltillo, Mexico.
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  Frederick Scott Archer invents the Collodion Process, also known as the wet-plate process, which was a time-sensitive development process that used glass plates in stead of paper.
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  James King patents the first drum hand-powered washing machine in 1851. Hamilton Smith patents the first rotary washing machine seven years later.
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  Crimean War erupts in Eastern Europe and gives birth to the first prominent war photographers: Roger Fenton, James Robertson, and Karl Baptist Von-Szatmari.
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  Botanist, scientist, and illustrator, Anna Atkins was a friend of William Henry Fox Talbot, authors Cyanotypes of British and Foreign Ferns in 1854.
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  Famed photo taken by Roger Fenton during the Crimea War. :
 Crimea, Ukraine (Place Created); Date: April 23, 1855; Medium:
 Salted paper print
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  Gustave Le Gray, famed portraitist, opens studio in France in 1855. He creates famous seascapes from 1856-8, and invents wax paper photographic process.
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  Oscar Rejlander exhibits Two Ways of Life, a famous tableaux-vivant and example of combination printing that was 31 inches wide and made from 30 individual negatives.
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  Spencer repeating carbine was patented in 1860 and could could fire 7 shots in 15 seconds. By 1863, it becomes the primary weapon used in Civil War.
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  Mathew Brady takes famous portrait of Abraham Lincoln that may have helped him win the presidency.
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  The war began when the Confederates attack Union soldiers at Fort Sumter, South Carolina on April 12, 1861.
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  Scottish-born photographer Alexander Gardner, who worked under Mathew Brady, takes famed Civil War photo in September 1862.
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  Julia Margaret Cameron, known from her soft focus romantic photographic style, receives her first camera in 1863, at 48 years old.
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  The Civil War ends when Robert E. Lee surrenders tto Ulysses S. Grant at Appomattox Courthouse on April 9, 1865.
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  Christopher Latham Sholes invents first typewriter that is practical and mass-produced.
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  Henry Peach Robinson publishes the Pictorial Effect on Photography in 1869 that serves as a handbook for the pictorialist aesthetic.
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  Thomas Edison was not the first to invent artificial light, but is credited in creating the first practical incandescent light bulb
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  George Eastman invents a dry, transparent, flexible photographic film roll.
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  George Eastman patents the first Kodak Camera that uses his rolled film with 100 exposures
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  The 1889 World's Fair exhibits The Eiffel Tower in Paris France
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  Peter Henry Emerson, merged art and science and pioneered Naturalistic Photography. His first major work was Life and Landscape on the Norfolk Broads in 1886.
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  Jacques Henri Lartigue (1894-1986) takes his first photo at age 6
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  Louis and Auguste Lumière invent autochrome using potato starch and color filters.
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  Straight photography proponent and modern photography pioneer opens first studio: Little Galleries of the Photo-Secession at 291 Fifth Avenue in New York.