Edison Disc Record
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Edison Disc Record
The Edison Diamond Disc Record is a type of phonograph record marketed by Thomas A. Edison, Inc. on their Edison Record label from 1912 to 1929. They were named Diamond Discs because the matching Edison Disc Phonograph was fitted with a permanent conical diamond stylus for playing them. Diamond Discs were incompatible with lateral-groove disc record players, e.g. the Victor Victrola, the disposable steel needles of which would damage them while extracting hardly any sound. Uniquely, they are just under  in () thick. Edison had previously made only phonograph cylinders but decided to add a disc format to the product line because of the increasingly dominant market share of the shellac disc records (later called 78s because of their typical rotational speed in revolutions per minute) made by competitors such as the Victor Talking Machine Company. Victor and most other makers recorded and played sound by a lateral or side-to-side motion of the stylus in the record groove, whi ...
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Thomas Edison
Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions, which include the phonograph, the motion picture camera, and early versions of the electric light bulb, have had a widespread impact on the modern industrialized world. He was one of the first inventors to apply the principles of organized science and teamwork to the process of invention, working with many researchers and employees. He established the first industrial research laboratory. Edison was raised in the American Midwest. Early in his career he worked as a telegraph operator, which inspired some of his earliest inventions. In 1876, he established his first laboratory facility in Menlo Park, New Jersey, where many of his early inventions were developed. He later established a botanical laboratory in Fort Myers, Florida, ...
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Audio Storage
Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording. Sound recording is the transcription of invisible vibrations in air onto a storage medium such as a phonograph disc. The process is reversed in sound reproduction, and the variations stored on the medium are transformed back into sound waves. Acoustic analog recording is achieved by a microphone diaphragm that senses changes in atmospheric pressure caused by acoustic sound waves and records them as a mechanical representation of the sound waves on a medium such as a phonograph record (in which a stylus cuts grooves on a record). In magnetic tape recording, the sound waves vibrate the microphone diaphragm and are converted into a varying electric current, which is then converted to a ...
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Unusual Types Of Gramophone Records
The overwhelming majority of records manufactured have been of certain sizes (7, 10, or 12 inches), playback speeds (33, 45, or 78 RPM), and appearance (round black discs). However, since the commercial adoption of the gramophone record (called a phonograph record in the U.S., where both cylinder records and disc records were invented), a wide variety of records have also been produced that do not fall into these categories, and they have served a variety of purposes. Unusual sizes The most common diameter sizes for gramophone records are 12-inch, 10-inch, and 7-inch. Early American shellac records were all 7-inch until 1901, when 10-inch records were introduced. 12-inch records joined them in 1903. By 1910, other sizes were retired and nearly all discs were either 10-inch or 12-inch, although both sizes were normally a bit smaller than their official diameter. In Europe, early 10-inch and 12-inch shellac records were produced in the first three decades of the twentieth ...
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Wall Street Crash Of 1929
The Wall Street Crash of 1929, also known as the Great Crash, was a major American stock market crash that occurred in the autumn of 1929. It started in September and ended late in October, when share prices on the New York Stock Exchange collapsed. It was the most devastating stock market crash in the history of the United States, when taking into consideration the full extent and duration of its aftereffects. The Great Crash is mostly associated with October 24, 1929, called ''Black Thursday'', the day of the largest sell-off of shares in U.S. history, and October 29, 1929, called ''Black Tuesday'', when investors traded some 16 million shares on the New York Stock Exchange in a single day. The crash, which followed the London Stock Exchange's crash of September, signaled the beginning of the Great Depression. Background The "Roaring Twenties", the decade following World War I that led to the crash, was a time of wealth and excess. Building on post-war optimism, rural Amer ...
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Columbia Records
Columbia Records is an American record label owned by Sony Music Entertainment, a subsidiary of Sony Corporation of America, the North American division of Japanese conglomerate Sony. It was founded on January 15, 1889, evolving from the American Graphophone Company, the successor to the Volta Graphophone Company. Columbia is the oldest surviving brand name in the recorded sound business, and the second major company to produce records. From 1961 to 1991, its recordings were released outside North America under the name CBS Records to avoid confusion with EMI's Columbia Graphophone Company. Columbia is one of Sony Music's four flagship record labels, alongside former longtime rival RCA Records, as well as Arista Records and Epic Records. Artists who have recorded for Columbia include AC/DC, Adele, Aerosmith, Julie Andrews, Louis Armstrong, Gene Autry, Count Basie, Tony Bennett, Leonard Bernstein, Beyoncé, Blood, Sweat and Tears, Blue Öyster Cult, David ...
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Sound Recording And Reproduction
Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording. Sound recording is the transcription of invisible vibrations in air onto a storage medium such as a phonograph disc. The process is reversed in sound reproduction, and the variations stored on the medium are transformed back into sound waves. Acoustic analog recording is achieved by a microphone diaphragm that senses changes in atmospheric pressure caused by acoustic sound waves and records them as a mechanical representation of the sound waves on a medium such as a phonograph record (in which a stylus cuts grooves on a record). In magnetic tape recording, the sound waves vibrate the microphone diaphragm and are converted into a varying electric current, which is then converted t ...
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Bush And Lane
Bush commonly refers to: * Shrub, a small or medium woody plant Bush, Bushes, or the bush may also refer to: People * Bush (surname), including any of several people with that name **Bush family, a prominent American family that includes: *** George H. W. Bush (1924–2018), former president of the United States *** George W. Bush (born 1946), former president of the United States and son of George H. W. Bush ***Jeb Bush (born 1953), former governor of Florida and candidate for US president **Vannevar Bush (1890–1974), American engineer, inventor and science administrator **Kate Bush (born 1958), British singer, songwriter, pianist, dancer, and record producer Places United States * Bush, Illinois * Bush, Louisiana * Bush, Washington * Bush, former name of the Ralph Waldo Emerson House in Concord, Massachusetts * The Bush (Alaska) *"The Bush," a small neighborhood within Chicago's community area of South Chicago Elsewhere * Bush, Cornwall, a hamlet in England * Bush Island ( ...
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Brunswick Records
Brunswick Records is an American record label founded in 1916. History From 1916 Records under the Brunswick label were first produced by the Brunswick-Balke-Collender Company, a company based in Dubuque, Iowa which had been manufacturing products ranging from pianos to sporting equipment since 1845. The company first began producing phonographs in 1916, then began marketing their own line of records as an afterthought. These first Brunswick records used the vertical cut system like Edison Disc Records, and were not sold in large numbers. They were recorded in the United States but sold only in Canada. 1920s In January 1920, a new line of Brunswick Records was introduced in the U.S. and Canada that employed the lateral cut system which was becoming the default cut for 78 discs. Brunswick started its standard popular series at 2000 and ended up in 1940 at 8517. However, when the series reached 4999, they skipped over the previous allocated 5000s and continued at 6000. When ...
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China Clay
Kaolinite ( ) is a clay mineral, with the chemical composition Al2 Si2 O5( OH)4. It is an important industrial mineral. It is a layered silicate mineral, with one tetrahedral sheet of silica () linked through oxygen atoms to one octahedral sheet of alumina () octahedra. Rocks that are rich in kaolinite are known as kaolin () or china clay. Kaolin is occasionally referred to by the antiquated term lithomarge, from the Ancient Greek ''litho-'' and Latin ''marga'', meaning 'stone of marl'. Presently the name lithomarge can refer to a compacted, massive form of kaolin. The name ''kaolin'' is derived from Gaoling (), a Chinese village near Jingdezhen in southeastern China's Jiangxi Province. The name entered English in 1727 from the French version of the word: , following François Xavier d'Entrecolles's reports on the making of Jingdezhen porcelain. Kaolinite has a low shrink–swell capacity and a low cation-exchange capacity (1–15 meq/100 g). It is a soft, earthy, ...
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