Photogravure
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Photogravure
Photogravure (in French ''héliogravure'') is a process for printing photographs, also sometimes used for reproductive intaglio printmaking. It is a photo-mechanical process whereby a copper plate is grained (adding a pattern to the plate) and then coated with a light-sensitive gelatin tissue which had been exposed to a film positive, and then etched, resulting in a high quality intaglio plate that can reproduce detailed continuous tones of a photograph. The process was important in 19th-century photography, but by the 20th century was only used by some fine art photographers. By the mid-century it was almost extinct, but has seen a limited revival. History History of process The earliest forms of photogravure were developed by two original pioneers of photography itself, first Nicéphore Niépce in France in the 1820s, and later Henry Fox Talbot in England. Niépce was seeking a means to create photographic images on plates that could then be etched and used to make prints o ...
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Intaglio (printmaking)
Intaglio ( ; ) is the family of printing and printmaking techniques in which the image is incised into a surface and the incised line or sunken area holds the ink. It is the direct opposite of a relief print where the parts of the matrix that make the image stand ''above'' the main surface. Normally, copper or in recent times zinc sheets, called plates, are used as a surface or matrix, and the incisions are created by etching, engraving, drypoint, aquatint or mezzotint, often in combination. Collagraphs may also be printed as intaglio plates. After the decline of the main relief technique of woodcut around 1550, the intaglio techniques dominated both artistic printmaking as well as most types of illustration and popular prints until the mid 19th century. Process In intaglio printing, the lines to be printed are cut into a metal (e.g. copper) plate by means either of a cutting tool called a burin, held in the hand – in which case the process is called ''engraving''; or t ...
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Intaglio Printing
Intaglio ( ; ) is the family of printing and printmaking techniques in which the image is incised into a surface and the incised line or sunken area holds the ink. It is the direct opposite of a relief print where the parts of the matrix that make the image stand ''above'' the main surface. Normally, copper or in recent times zinc sheets, called plates, are used as a surface or matrix, and the incisions are created by etching, engraving, drypoint, aquatint or mezzotint, often in combination. Collagraphs may also be printed as intaglio plates. After the decline of the main relief technique of woodcut around 1550, the intaglio techniques dominated both artistic printmaking as well as most types of illustration and popular prints until the mid 19th century. Process In intaglio printing, the lines to be printed are cut into a metal (e.g. copper) plate by means either of a cutting tool called a burin, held in the hand – in which case the process is called ''engraving''; or thr ...
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Alvin Langdon Coburn
Alvin Langdon Coburn (June 11, 1882 – November 23, 1966) was an early 20th-century photographer who became a key figure in the development of American pictorialism. He became the first major photographer to emphasize the visual potential of elevated viewpoints and later made some of the first completely abstract photographs. Life Childhood (1882–1899) Coburn was born on June 11, 1882, at 134 East Springfield Street in Boston, Massachusetts, to a middle-class family. His father, who had established the successful firm of Coburn & Whitman Shirts, died when Alvin was seven. After that he was raised solely by his mother, Fannie, who remained the primary influence in his early life, even though she remarried when he was a teenager. In his autobiography, Coburn wrote: "My mother was a remarkable woman of very strong character who tried to dominate my life…It was a battle royal all the days of our life together." In 1890 the family visited his maternal uncles in Los Angeles, and ...
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Rotogravure
Rotogravure (or gravure for short) is a type of intaglio printing process, which involves engraving the image onto an image carrier. In gravure printing, the image is engraved onto a cylinder because, like offset printing and flexography, it uses a rotary printing press. Once a staple of newspaper photo features, the rotogravure process is still used for commercial printing of magazines, postcards, and corrugated (cardboard) and other product packaging. History and development In the 19th century, a number of developments in photography allowed the production of photo-mechanical printing plates. W H Fox Talbot mentions in 1852 the use of a textile in the photographic process to create half-tones in the printing plate. A French patent in 1860 describes a reel-fed gravure press. A collaboration between Klic and Fawcett in Lancaster resulted in the founding of the Rembrandt Intaglio Printing Company in 1895, which company produced art prints. In 1906 they marketed the fi ...
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Victor Hugo
Victor-Marie Hugo (; 26 February 1802 – 22 May 1885) was a French Romantic writer and politician. During a literary career that spanned more than sixty years, he wrote in a variety of genres and forms. He is considered to be one of the greatest French writers of all time. His most famous works are the novels ''The Hunchback of Notre-Dame'' (1831) and ''Les Misérables'' (1862). In France, Hugo is renowned for his poetry collections, such as (''The Contemplations'') and (''The Legend of the Ages''). Hugo was at the forefront of the Romanticism, Romantic literary movement with his play ''Cromwell (play), Cromwell'' and drama ''Hernani (drama), Hernani''. Many of his works have inspired music, both during his lifetime and after his death, including the opera ''Rigoletto'' and the musicals ''Les Misérables (musical), Les Misérables'' and ''Notre-Dame de Paris (musical), Notre-Dame de Paris''. He produced more than 4,000 drawings in his lifetime, and campaigned for social cau ...
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Alfred Stieglitz
Alfred Stieglitz (January 1, 1864 – July 13, 1946) was an American photographer and modern art promoter who was instrumental over his 50-year career in making photography an accepted art form. In addition to his photography, Stieglitz was known for the New York art galleries that he ran in the early part of the 20th century, where he introduced many avant-garde European artists to the U.S. He was married to painter Georgia O'Keeffe. Early life and education Stieglitz was born in Hoboken, New Jersey, the first son of German Jewish immigrants Edward Stieglitz (1833–1909) and Hedwig Ann Werner (1845–1922). His father was a lieutenant in the Union Army and worked as a wool merchant. He had five siblings, Flora (1865–1890), twins Julius (1867–1937) and Leopold (1867–1956), Agnes (1869–1952) and Selma (1871–1957). Alfred Stieglitz, seeing the close relationship of the twins, wished he had a soul mate of his own during his childhood. Stieglitz attended Charlier I ...
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Potassium Dichromate
Potassium dichromate, , is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. It is a crystalline ionic solid with a very bright, red-orange color. The salt is popular in the laboratory because it is not deliquescent, in contrast to the more industrially relevant salt sodium dichromate.Gerd Anger, Jost Halstenberg, Klaus Hochgeschwender, Christoph Scherhag, Ulrich Korallus, Herbert Knopf, Peter Schmidt, Manfred Ohlinger, "Chromium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005. Chemistry Production Potassium dichromate is usually prepared by the reaction of potassium chloride on sodium dichromate. Alternatively, it can be also obtained from potassium chromate by roasting chromite ore with potassium hydroxide. It is soluble in water and in the dissolution process it io ...
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Continuous Tone
A continuous tone image (contone for short, or CT even shorter) is one where each color at any point in the image is reproduced as a single tone, and not as discrete halftones, such as one single color for monochromatic prints, or a combination of halftones for color prints. The most common continuous tone images are film photographs (digital latitude is not continuous!) Also see film latitude. Every single dot of which can take a continuous range of colors depending on the quantity of captured radiance. On the other hand, at a microscopic level, developed black-and-white photographic film consists of only two colors, and not an infinite range of continuous tones. For details, see film grain. An example of a continuous-tone device is a CRT computer screen. Here, any pixel can represent any color, because the color components of the pixel are analog and can vary in infinite steps, and hence do not need halftones to make the colors. Of course, because the computer is a digital devi ...
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Magazine
A magazine is a periodical publication, generally published on a regular schedule (often weekly or monthly), containing a variety of content. They are generally financed by advertising, purchase price, prepaid subscriptions, or by a combination of the three. Definition In the technical sense a ''journal'' has continuous pagination throughout a volume. Thus '' Business Week'', which starts each issue anew with page one, is a magazine, but the '' Journal of Business Communication'', which continues the same sequence of pagination throughout the coterminous year, is a journal. Some professional or trade publications are also peer-reviewed, for example the '' Journal of Accountancy''. Non-peer-reviewed academic or professional publications are generally ''professional magazines''. That a publication calls itself a ''journal'' does not make it a journal in the technical sense; ''The Wall Street Journal'' is actually a newspaper. Etymology The word "magazine" derives from Arabic , ...
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Newspaper
A newspaper is a periodical publication containing written information about current events and is often typed in black ink with a white or gray background. Newspapers can cover a wide variety of fields such as politics, business, sports and art, and often include materials such as opinion columns, weather forecasts, reviews of local services, obituaries, birth notices, crosswords, editorial cartoons, comic strips, and advice columns. Most newspapers are businesses, and they pay their expenses with a mixture of subscription revenue, newsstand sales, and advertising revenue. The journalism organizations that publish newspapers are themselves often metonymically called newspapers. Newspapers have traditionally been published in print (usually on cheap, low-grade paper called newsprint). However, today most newspapers are also published on websites as online newspapers, and some have even abandoned their print versions entirely. Newspapers developed in the 17th century ...
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Halftone
Halftone is the reprographic Reprography (a portmanteau of ''reproduction'' and ''photography'') is the reproduction of graphics through mechanical or electrical means, such as photography or xerography. Reprography is commonly used in catalogs and archives, as well as in th ... technique that simulates continuous-tone imagery through the use of dots, varying either in size or in spacing, thus generating a gradient-like effect.Campbell, Alastair. The Designer's Lexicon. ©2000 Chronicle, San Francisco. "Halftone" can also be used to refer specifically to the image that is produced by this process. Where continuous-tone imagery contains an infinite range of colors or greys, the halftone process reduces visual reproductions to an image that is printed with only one color of ink, in dots of differing size (pulse-width modulation) or spacing (frequency modulation) or both. This reproduction relies on a basic optical illusion: when the halftone dots are small, the human eye inter ...
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Gertrude Kasebier Blessed Art Thou Among Women 1899
Gertrude or Gertrud may refer to: Places In space *Gertrude (crater), a crater on Uranus's moon Titania *710 Gertrud, a minor planet Terrestrial placenames * Gertrude, Arkansas *Gertrude, Washington * Gertrude, West Virginia People *Gertrude (given name), a given name (including a list of people with the name) People with Gertrude as the full name: *Blessed Gertrude of Aldenberg (1227–1297), daughter of Saint Elizabeth of Thuringia and abbess near Trier *Gertrude of Austria (1226–1288), Duchess of Austria and Styria * Gertrude of Babenberg (c.1118–1150), Duchess of Bohemia *Gertrude of Baden (c.1160–1225), Margravine of Baden *Gertrude of Bavaria (died 1197), daughter of Henry the Lion, Queen consort of Denmark *Gertrude of Brunswick (c.1060–1117), Margravine of Frisia and Meissen *Gertrude of Comburg (died 1130), Queen consort of Germany *Gertrude of Dagsburg (died 1225), Duchess of Lorraine *Gertrude of Delft (died 1358), Dutch Beguine and mystic *Gertrude of Flanders ...
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