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James Glaisher
James Glaisher FRS (7 April 1809 – 7 February 1903) was an English meteorologist, aeronaut and astronomer. Biography Born in Rotherhithe, the son of a London watchmaker, Glaisher was a junior assistant at the Cambridge Observatory from 1833 to 1835 before moving to the Royal Observatory, Greenwich, where he served as Superintendent of the Department of Meteorology and Magnetism at Greenwich for 34 years. In 1845, Glaisher published his dew point tables for the measurement of humidity. He was elected a Fellow of the Royal Society in June 1849. He was a founding member of the Meteorological Society (1850) and the Aeronautical Society of Great Britain (1866). He was president of the Royal Meteorological Society from 1867 to 1868. Glaisher was elected a member of The Photographic Society, later the Royal Photographic Society, in 1854 and served as the society's president for 1869–1874 and 1875–1892. He remained a member until his death. He was also President of the R ...
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Rotherhithe
Rotherhithe () is a district of south-east London, England, and part of the London Borough of Southwark. It is on a peninsula on the south bank of the Thames, facing Wapping, Shadwell and Limehouse on the north bank, as well as the Isle of Dogs to the east of the Thames and is a part of the London Docklands, Docklands area. It borders Bermondsey to the west and Deptford to the south east. Rotherhithe has a long history as a port, with Elizabethan era, Elizabethan shipyards and working docks until the 1970s. In the 1980s, the area along the river was redeveloped as housing through a mix of warehouse conversions and new-build developments. Following the arrival of the Jubilee line in 1999 (giving quick connections to the West End of London, West End and to Canary Wharf) and the London Overground in 2010 (providing a quick route to the City of London), the rest of Rotherhithe is now a gentrification, gentrifying residential and commuter area, with urban regeneration progressing arou ...
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Dew Point
The dew point is the temperature to which air must be cooled to become saturated with water vapor, assuming constant air pressure and water content. When cooled below the dew point, moisture capacity is reduced and airborne water vapor will condense to form liquid water known as dew. When this occurs via contact with a colder surface, dew will form on that surface. The dew point is affected by humidity. When there is more moisture in the air, the dew point is higher. When the temperature is below the freezing point of water, the dew point is called the frost point, as frost is formed via deposition rather than condensation. In liquids, the analog to the dew point is the cloud point. Humidity If all the other factors influencing humidity remain constant, at ground level the relative humidity rises as the temperature falls; this is because less vapor is needed to saturate the air. In normal conditions, the dew point temperature will not be greater than the air temperature, sinc ...
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International Astronomical Union
The International Astronomical Union (IAU; french: link=yes, Union astronomique internationale, UAI) is a nongovernmental organisation with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and development through global cooperation. It was founded in 1919 and is based in Paris, France. The IAU is composed of individual members, who include both professional astronomers and junior scientists, and national members, such as professional associations, national societies, or academic institutions. Individual members are organised into divisions, committees, and working groups centered on particular subdisciplines, subjects, or initiatives. As of 2018, the Union had over 13,700 individual members, spanning 90 countries, and 82 national members. Among the key activities of the IAU is serving as a forum for scientific conferences. It sponsors nine annual symposia and holds a triannual General Assembly that sets policy ...
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Glaisher (crater)
Glaisher is a lunar impact crater that is located in the region of terrain that forms the southwest border of Mare Crisium. It lies to the southwest of the lava-flooded crater Yerkes, and west-northwest of the Greaves–Lick crater pair. It is surrounded by a ring of satellite craters of various dimensions, the larger companions generally being arranged to the south of Glaisher. This crater is circular, with a bowl-shaped interior and a small floor at the midpoint. The crater has not been significantly worn by subsequent impacts. A merged, double-crater formation is attached to its southern rim, consisting of Glaisher E at the northwest end and Glaisher G to the southeast. The crater was named after British meteorologist James Glaisher and its name was approved by the IAU in 1935.Glaisher crater
Gazetteer of Planetary Nomenclature,

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Smithsonian Institution
The Smithsonian Institution ( ), or simply the Smithsonian, is a group of museums and education and research centers, the largest such complex in the world, created by the U.S. government "for the increase and diffusion of knowledge". Founded on August 10, 1846, it operates as a trust instrumentality and is not formally a part of any of the three branches of the federal government. The institution is named after its founding donor, British scientist James Smithson. It was originally organized as the United States National Museum, but that name ceased to exist administratively in 1967. Called "the nation's attic" for its eclectic holdings of 154 million items, the institution's 19 museums, 21 libraries, nine research centers, and zoo include historical and architectural landmarks, mostly located in the District of Columbia. Additional facilities are located in Maryland, New York, and Virginia. More than 200 institutions and museums in 45 states,States without Smithsonian ...
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Blue Plaque
A blue plaque is a permanent sign installed in a public place in the United Kingdom and elsewhere to commemorate a link between that location and a famous person, event, or former building on the site, serving as a historical marker. The term is used in the United Kingdom in two different senses. It may be used narrowly and specifically to refer to the "official" scheme administered by English Heritage, and currently restricted to sites within Greater London; or it may be used less formally to encompass a number of similar schemes administered by organisations throughout the UK. The plaques erected are made in a variety of designs, shapes, materials and colours: some are blue, others are not. However, the term "blue plaque" is often used informally to encompass all such schemes. The "official" scheme traces its origins to that launched in 1866 in London, on the initiative of the politician William Ewart, to mark the homes and workplaces of famous people. It has been administe ...
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Blackheath, London
Blackheath is an area in Southeast London, straddling the border of the Royal Borough of Greenwich and the London Borough of Lewisham. It is located northeast of Lewisham, south of Greenwich and southeast of Charing Cross, the traditional centre of London. The area southwest of its station and in its ward is named Lee Park. Its northern neighbourhood of Vanbrugh Park is also known as St John's Blackheath and despite forming a projection has amenities beyond its traditional reach named after the heath. To its west is the core public green area that is the heath and Greenwich Park, in which sit major London tourist attractions including the Greenwich Observatory and the Greenwich Prime Meridian. Blackheath railway station is south of the heath. History Etymology ;Records and meanings The name is from Old English spoken words 'blæc' and 'hǣth'. The name is recorded in 1166 as ''Blachehedfeld'' which means "dark, or black heath field" – field denotes an enclosure or clear ...
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Henry Tracey Coxwell In 1864 Detail, From- James Glaisher En Henry Coxwell In Een Luchtballon Messrs
Henry may refer to: People *Henry (given name) *Henry (surname) * Henry Lau, Canadian singer and musician who performs under the mononym Henry Royalty * Portuguese royalty ** King-Cardinal Henry, King of Portugal ** Henry, Count of Portugal, Henry of Burgundy, Count of Portugal (father of Portugal's first king) ** Prince Henry the Navigator, Infante of Portugal ** Infante Henrique, Duke of Coimbra (born 1949), the sixth in line to Portuguese throne * King of Germany **Henry the Fowler (876–936), first king of Germany * King of Scots (in name, at least) ** Henry Stuart, Lord Darnley (1545/6–1567), consort of Mary, queen of Scots ** Henry Benedict Stuart, the 'Cardinal Duke of York', brother of Bonnie Prince Charlie, who was hailed by Jacobites as Henry IX * Four kings of Castile: **Henry I of Castile **Henry II of Castile **Henry III of Castile **Henry IV of Castile * Five kings of France, spelt ''Henri'' in Modern French since the Renaissance to italianize the name and to ...
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Henry Tracey Coxwell
Henry Tracey Coxwell (2 March 1819 – 5 January 1900) was an English aeronaut and writer about ballooning active over the British Isles and continental Europe in the mid-to late nineteenth century. His achievements included having established and led two military balloon companies in Cologne, Germany at the outbreak of the Franco-Prussian war in 1870, leading the first aerial trip in England for purposes of photography (with Henry Negretti in 1863), piloting a British Association flight from Wolverhampton, England that achieved a record altitude with James Glaisher in 1862, reaching at least , and perhaps as high as , as well as founding ''The Balloon, or Aerostatic Magazine'' (in 1845) and collecting his experiences in an autobiography, ''My Life and Balloon Experiences'' (from 1887 to 1890). He was referred to as the foremost balloonist of the last half of the nineteenth century by the English-language periodical, ''Illustrated London News'', in January 1900. Life Henry Trac ...
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Royal Microscopical Society
The Royal Microscopical Society (RMS) is a learned society for the promotion of microscopy. It was founded in 1839 as the Microscopical Society of London making it the oldest organisation of its kind in the world. In 1866, the society gained its royal charter and took its current name. Founded as a society of amateurs, its membership consists of individuals of all skill levels in numerous related fields from throughout the world. Every year since 1841, the society has published its own scientific journal, the Journal of Microscopy, which contains peer-reviewed papers and book reviews. The society is a registered charity that is dedicated to advancing science, developing careers and supporting wider understanding of science and microscopy through its Outreach activities. Probably the society's greatest contribution is its standardised 3x1 inches microscope glass slides in 1840, which are still the most widely used size today and known as the "RMS standard". The Royal Microscopi ...
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Royal Photographic Society
The Royal Photographic Society of Great Britain, commonly known as the Royal Photographic Society (RPS), is one of the world's oldest photographic societies. It was founded in London, England, in 1853 as the Photographic Society of London with the objective of promoting the art and science of photography, and in 1853 received Monarchy of the United Kingdom, royal patronage from Queen Victoria and Albert, Prince Consort, Prince Albert. A change to the society's name to reflect the patronage was, however, not considered expedient at the time. In 1874, it was renamed the Photographic Society of Great Britain, and only from 1894 did it become known as the Royal Photographic Society of Great Britain, a title which it continues to use today. On 25 June 2019, the Duchess of Cambridge, now Catherine, Princess of Wales, became the Society's Patron, taking over from Queen Elizabeth II who had been patron since 1952. A registered Charitable organization, charity since 1962, in July 2004, ...
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