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Telephotography
Wirephoto, telephotography or radiophoto is the sending of pictures by telegraph, telephone or radio. Édouard Belin's Bélinographe of 1913, which scanned using a photocell and transmitted over ordinary phone lines, formed the basis for the Wirephoto service. In Europe, services similar to a wirephoto were called a Belino. Western Union transmitted its first halftone photograph in 1921. AT&T followed in 1924, and RCA sent a ''Radiophoto'' in 1926. The Associated Press began its Wirephoto service in 1935 and held a trademark on the term ''AP Wirephoto'' between 1963 and 2004. The first AP photo sent by wire depicted the crash of a small plane in New York's Adirondack Mountains. Technologically and commercially, the wirephoto was the successor to Ernest A. Hummel's Telediagraph of 1895, which had transmitted electrically scanned shellac-on-foil originals over a dedicated circuit connecting the '' New York Herald'' and the ''Chicago Times Herald'', the '' St. Louis Republic'', ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Analogue Electronics
Analogue electronics ( en-US, analog electronics) are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels. The term "analogue" describes the proportional relationship between a signal and a voltage or current that represents the signal. The word analogue is derived from the el, word ανάλογος (analogos) meaning "proportional". Analogue signals An analogue signal uses some attribute of the medium to convey the signal's information. For example, an aneroid barometer uses the angular position of a needle as the signal to convey the information of changes in atmospheric pressure. Electrical signals may represent information by changing their voltage, current, frequency, or total charge. Information is converted from some other physical form (such as sound, light, temperature, pressure, position) to an electrical signal by a transducer which converts one type of energy into another (e.g. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halftone
Halftone is the reprographic 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 interprets the patterned areas as if they were smooth tones. At a microscopic level, developed black-and-white photographic film also consists of only two colors, and not an infinite range of continuous tones. For details, see film grain. Just as color p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continents of Asia and Oceania in the west and the Americas in the east. At in area (as defined with a southern Antarctic border), this largest division of the World Ocean—and, in turn, the hydrosphere—covers about 46% of Earth's water surface and about 32% of its total surface area, larger than Earth's entire land area combined .Pacific Ocean . '' Britannica Concise.'' 2008: Encyclopædia Britannica, Inc. The centers of both the [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USS Macon (ZRS-5)
USS ''Macon'' (ZRS-5) was a rigid airship built and operated by the United States Navy for scouting and served as a "flying aircraft carrier", designed to carry biplane parasite aircraft, five single-seat Curtiss F9C Sparrowhawk for scouting or two-seat Fleet N2Y-1 for training. In service for less than two years, in 1935 the ''Macon'' was damaged in a storm and lost off California's Big Sur coast, though most of the crew were saved. The wreckage is listed as the USS ''Macon'' Airship Remains on the U.S. National Register of Historic Places. Less than shorter than ''Hindenburg'', both ''Macon'' and her sister ship were among the largest flying objects in the world in terms of length and volume. Although both of the hydrogen-filled, Zeppelin-built ''Hindenburg'' and LZ 130 ''Graf Zeppelin II'' were longer, the two American-built sister naval airships still hold the world record for helium-filled rigid airships. Construction USS ''Macon'' was built at the Goodyear Aird ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Francisco
San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17th most populous in the United States, with 815,201 residents as of 2021. It covers a land area of , at the end of the San Francisco Peninsula, making it the second most densely populated large U.S. city after New York City, and the fifth most densely populated U.S. county, behind only four of the five New York City boroughs. Among the 91 U.S. cities proper with over 250,000 residents, San Francisco was ranked first by per capita income (at $160,749) and sixth by aggregate income as of 2021. Colloquial nicknames for San Francisco include ''SF'', ''San Fran'', ''The '', ''Frisco'', and ''Baghdad by the Bay''. San Francisco and the surrounding San Francisco Bay Area are a global center of economic activity and the arts and sciences, spurred ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vladimir Zworykin
Vladimir Kosma Zworykin; or with the patronymic as ''Kosmich''; or russian: Кузьмич, translit=Kuz'mich, label=none. Zworykin anglicized his name to ''Vladimir Kosma Zworykin'', replacing the patronymic with the name ''Kosma'' as a middle name, and using the nonstandard transliteration ''Zworykin''. (1888/1889July 29, 1982) was a Russian-American inventor, engineer, and pioneer of television technology. Zworykin invented a television transmitting and receiving system employing cathode ray tubes. He played a role in the practical development of television from the early thirties, including charge storage-type tubes, infrared image tubes and the electron microscope. Early life and education Vladimir Zworykin was born in Murom, Russia, in 1888 or 1889, to the family of a prosperous merchants. He had a relatively calm upbringing, and he rarely saw his father except on religious holidays. He studied at the St. Petersburg Institute of Technology, under Boris Rosing. He helped ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philadelphia Inquirer
''The Philadelphia Inquirer'' is a daily newspaper headquartered in Philadelphia, Pennsylvania. The newspaper's circulation is the largest in both the U.S. state of Pennsylvania and the Delaware Valley metropolitan region of Southeastern Pennsylvania, South Jersey, Delaware, and the northern Eastern Shore of Maryland, and the 17th largest in the United States as of 2017. Founded on June 1, 1829 as ''The Pennsylvania Inquirer'', the newspaper is the third longest continuously operating daily newspaper in the nation. It has won 20 Pulitzer Prizes . ''The Inquirer'' first became a major newspaper during the American Civil War. The paper's circulation dropped after the Civil War's conclusion but then rose again by the end of the 19th century. Originally supportive of the Democratic Party, ''The Inquirers political orientation eventually shifted toward the Whig Party and then the Republican Party before officially becoming politically independent in the middle of the 20th c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boston Herald
The ''Boston Herald'' is an American daily newspaper whose primary market is Boston, Massachusetts, and its surrounding area. It was founded in 1846 and is one of the oldest daily newspapers in the United States. It has been awarded eight Pulitzer Prizes in its history, including four for editorial writing and three for photography before it was converted to tabloid format in 1981. The ''Herald'' was named one of the "10 Newspapers That 'Do It Right' in 2012 by '' Editor & Publisher''. In December 2017, the ''Herald'' filed for bankruptcy. On February 14, 2018, Digital First Media successfully bid $11.9 million to purchase the company in a bankruptcy auction; the acquisition was completed on March 19, 2018. As of August 2018, the paper had approximately 110 total employees, compared to about 225 before the sale. History The ''Herald'' history can be traced back through two lineages, the '' Daily Advertiser'' and the old ''Boston Herald'', and two media moguls, William Randolp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chicago Times Herald
The ''Chicago Times'' was a newspaper in Chicago from 1854 to 1895, when it merged with the ''Chicago Herald'', to become the ''Chicago Times-Herald''. The ''Times-Herald'' effectively disappeared in 1901 when it merged with the ''Chicago Record'' to become the ''Chicago Record-Herald''. The ''Times'' was founded in 1854 by James W. Sheahan, with the backing of Democrat and attorney Stephen A. Douglas, and was identified as a pro-slavery newspaper. In 1861, after the paper was purchased by Democratic journalist Wilbur F. Storey, the ''Times'' began espousing the Copperhead point of view, supporting Southern Democrats and denouncing the policies of Abraham Lincoln. During the Civil War, General Ambrose Burnside, head of the Department of the Ohio, suppressed the paper in 1863 because of its hostility to the Union cause, but Lincoln lifted the ban when he received word of it. Storey and Joseph Medill, editor of the Republican-leaning ''Chicago Tribune'', maintained a strong ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New York Herald
The ''New York Herald'' was a large-distribution newspaper based in New York City that existed between 1835 and 1924. At that point it was acquired by its smaller rival the '' New-York Tribune'' to form the '' New York Herald Tribune''. History The first issue of the paper was published by James Gordon Bennett Sr., on May 6, 1835. The ''Herald'' distinguished itself from the partisan papers of the day by the policy that it published in its first issue: "We shall support no party—be the agent of no faction or coterie, and we care nothing for any election, or any candidate from president down to constable." Bennett pioneered the "extra" edition during the ''Heralds sensational coverage of the Robinson–Jewett murder case. By 1845, it was the most popular and profitable daily newspaper in the United States. In 1861, it circulated 84,000 copies and called itself "the most largely circulated journal in the world." Bennett stated that the function of a newspaper "is not to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shellac
Shellac () is a resin secreted by the female lac bug on trees in the forests of India and Thailand. It is processed and sold as dry flakes and dissolved in alcohol to make liquid shellac, which is used as a brush-on colorant, food glaze and wood finish. Shellac functions as a tough natural primer, sanding sealant, tannin-blocker, odour-blocker, stain, and high-gloss varnish. Shellac was once used in electrical applications as it possesses good insulation qualities and it seals out moisture. Phonograph and 78 rpm gramophone records were made of it until they were replaced by vinyl long-playing records from 1948 onwards. From the time it replaced oil and wax finishes in the 19th century, shellac was one of the dominant wood finishes in the western world until it was largely replaced by nitrocellulose lacquer in the 1920s and 1930s. Etymology ''Shellac'' comes from ''shell'' and '' lac'', a calque of French , 'lac in thin pieces', later , 'gum lac'. Most European la ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ernest A
Ernest is a given name derived from Germanic word ''ernst'', meaning "serious". Notable people and fictional characters with the name include: People *Archduke Ernest of Austria (1553–1595), son of Maximilian II, Holy Roman Emperor *Ernest, Margrave of Austria (1027–1075) * Ernest, Duke of Bavaria (1373–1438) * Ernest, Duke of Opava (c. 1415–1464) * Ernest, Margrave of Baden-Durlach (1482–1553) *Ernest, Landgrave of Hesse-Rheinfels (1623–1693) * Ernest Augustus, Elector of Brunswick-Lüneburg (1629–1698) *Ernest, Count of Stolberg-Ilsenburg (1650–1710) *Ernest Augustus, King of Hanover (1771–1851), son of King George III of Great Britain *Ernest II, Duke of Saxe-Coburg and Gotha (1818–1893), sovereign duke of the Duchy of Saxe-Coburg and Gotha *Ernest Augustus, Crown Prince of Hanover (1845–1923) *Ernest, Landgrave of Hesse-Philippsthal (1846–1925) *Ernest Augustus, Prince of Hanover (1914–1987) *Prince Ernst August of Hanover (born 1954) * Prince Erns ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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