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John Benjamin Dancer
John Benjamin Dancer (8 October 1812 – 24 November 1887) was a British scientific instrument maker and inventor of microphotography. He also pioneered stereography. Career By 1835, he controlled his father's instrument making business in Liverpool. He was responsible for various inventions, but did not patent many of his ideas. In 1856, he invented the stereoscopic camera (GB patent 2064/1856). Dancer improved the Daniell cell by introducing the porous pot cell, which he invented in 1838. He was a leading inventor and practitioner in the emerging field of microphotography, work he began shortly after the Daguerreotype process was first announced in 1839. His novel uses of microphotography, such as "the reduction of the 680-word tablet erected in memory of the electrician William Sturgeon to a positive one-sixteenth of an inch in diameter", attracted much public attention. He assisted the physicist James Prescott Joule with the development of scientific instruments such ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microphotography
Microphotographs are photographs shrunk to microscopic scale.Focal encyclopedia of photography By Michael R. Peres Focal Press, 2007 , 846 pages Microphotography is the art of making such images. Applications of microphotography include such as in the , where they are known as . Using the |
Stereography
Stereoscopy, also called stereoscopics or stereo imaging, is a technique for creating or enhancing the illusion of depth in an image by means of stereopsis for binocular vision. The word ''stereoscopy'' derives . Any stereoscopic image is called a stereogram. Originally, stereogram referred to a pair of stereo images which could be viewed using a stereoscope. Most stereoscopic methods present a pair of two-dimensional images to the viewer. The left image is presented to the left eye and the right image is presented to the right eye. When viewed, the human brain perceives the images as a single 3D view, giving the viewer the perception of 3D depth. However, the 3D effect lacks proper focal depth, which gives rise to the Vergence-accommodation conflict. Stereoscopy is distinguished from other types of 3D displays that display an image in three full dimensions, allowing the observer to increase information about the 3-dimensional objects being displayed by head and eye mo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Invention
An invention is a unique or novelty (patent), novel machine, device, Method_(patent), method, composition, idea, or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept. If an idea is unique enough either as a stand-alone invention or as a significant improvement over the work of others, it can be patented. A patent, if granted, gives the inventor a proprietary interest in the patent over a specific period of time, which can be licensed for financial gain. An inventor creates or discovers an invention. The word ''inventor'' comes from the Latin verb ''invenire'', ''invent-'', to find. Although inventing is closely associated with science and engineering, inventors are not necessarily engineers or scientists. The ideation process may be augmented by the applications of algorithms and methods from the domain collectively known as evolutionary robotics, artificial intellige ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Daniell Cell
The Daniell cell is a type of electrochemical cell invented in 1836 by John Frederic Daniell, a British chemist and meteorologist, and consists of a copper pot filled with a copper (II) sulfate solution, in which is immersed an unglazed earthenware container filled with sulfuric acid and a zinc electrode. He was searching for a way to eliminate the hydrogen bubble problem found in the voltaic pile, and his solution was to use a second electrolyte to consume the hydrogen produced by the first. Zinc sulfate may be substituted for the sulfuric acid. The Daniell cell was a great improvement over the existing technology used in the early days of battery development. A later variant of the Daniell cell called the gravity cell or crowfoot cell was invented in the 1860s by a Frenchman named Callaud and became a popular choice for electrical telegraphy. The Daniell cell is also the historical basis for the contemporary definition of the volt, which is the unit of electromotive force in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
James Prescott Joule
James Prescott Joule (; 24 December 1818 11 October 1889) was an English physicist. Joule studied the nature of heat and discovered its relationship to mechanical work. This led to the law of conservation of energy, which in turn led to the development of the first law of thermodynamics. The SI unit of energy, the joule (J), is named after him. He worked with Lord Kelvin to develop an absolute thermodynamic temperature scale, which came to be called the Kelvin scale. Joule also made observations of magnetostriction, and he found the relationship between the current through a resistor and the heat dissipated, which is also called Joule's first law. His experiments about energy transformations were first published in 1843. Early years James Joule was born in 1818, the son of Benjamin Joule (1784–1858), a wealthy brewer, and his wife, Alice Prescott, on New Bailey Street in Salford. Joule was tutored as a young man by the famous scientist John Dalton and was strongly in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
View From The Roof Of The Royal Exchange Manchester 1842
Acornsoft was the software arm of Acorn Computers, and a major publisher of software for the BBC Micro and Acorn Electron. As well as games, it also produced a large number of educational titles, extra computer languages and business and utility packages – these included word processor ''VIEW'' and the spreadsheet ''ViewSheet'' supplied on ROM and cartridge for the BBC Micro/Acorn Electron and included as standard in the BBC Master and Acorn Business Computer. History Acornsoft was formed in late 1980 by Acorn Computers directors Hermann Hauser and Chris Curry, and David Johnson-Davies, author of the first game for a UK personal computer and of the official Acorn Atom manual "Atomic Theory and Practice". David Johnson-Davies was managing director and in early 1981 was joined by Tim Dobson, Programmer and Chris Jordan (designer), Chris Jordan, Publications Editor. While some of their games were clones or remakes of popular arcade games (e.g. ''Hopper'' is a clone of Sega's ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Museum Of Science And Industry (Manchester)
The Science and Industry Museum in Manchester, England, traces the development of science, technology and industry with emphasis on the city's achievements in these fields. The museum is part of the Science Museum Group, a non-departmental public body of the Department for Digital, Culture, Media and Sport, having merged with the National Science Museum in 2012. There are extensive displays on the theme of transport (cars, railway locomotives and rolling stock), power (water, electricity, steam and gas engines), Manchester's sewerage and sanitation, textiles, communications and computing. The museum is an Anchor Point of the European Route of Industrial Heritage and is on the site of the world's first passenger railway station – Manchester Liverpool Road – which opened as part of the Liverpool & Manchester Railway in 1830. The railway station frontage and 1830 warehouse are both Grade I listed. History The museum was called the North Western Museum of Science an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Manchester Literary And Philosophical Society
The Manchester Literary and Philosophical Society, popularly known as the Lit. & Phil., is one of the oldest learned societies in the United Kingdom and second oldest provincial learned society (after the Spalding Gentlemen's Society). Prominent members have included Robert Owen, John Dalton, James Prescott Joule, Sir William Fairbairn, Tom Kilburn, Peter Mark Roget, Sir Ernest Rutherford, Alan Turing, Sir Joseph Whitworth and Dorothy Hodgkin. History It was established in February 1781, as the Literary and Philosophical Society of Manchester, by Thomas Percival, Thomas Barnes, Thomas Henry, Thomas Butterworth Bayley and others. The first formal meeting of the society took place on 14 March 1781. Meetings were held in a back room of Cross Street Chapel until December 1799, after which the society moved into its own premises in George Street. John Dalton conducted his experiments at these premises. The Society's original premises on George Street were destro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sale, Greater Manchester
Sale is a town in Trafford, Greater Manchester, England. It is on the south bank of the River Mersey, south of Stretford, northeast of Altrincham, and southwest of Manchester. Sale lies within the Historic counties of England, historic county boundaries of Cheshire, and became part of Greater Manchester in 1974. At the 2021 United Kingdom census, 2021 census, the Sale built up area as defined by the Office for National Statistics had a population of 62,550. Evidence of Stone Age, Roman Britain, Roman and Anglo-Saxons, Anglo-Saxon activity has previously been discovered locally. Sale was historically a rural Township (England), township in the parish of Ashton upon Mersey; its fields and meadows were used for crop and cattle farming. By the 17th century, Sale had a cottage industry manufacturing garthweb, the woven material from which horses' Girth (tack), saddle girths were made. The Bridgewater Canal reached the town in 1765, stimulating Sale's urbanisation. The arrival of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Scientific Instrument Makers
British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories and Crown Dependencies. * British national identity, the characteristics of British people and culture * British English, the English language as spoken and written in United Kingdom of Great Britain and Northern Ireland and, more broadly, throughout the British Isles * Celtic Britons, an ancient ethno-linguistic group * Brittonic languages, a branch of the Insular Celtic language family (formerly called British) ** Common Brittonic, an ancient language Other uses *People or things associated with: ** Great Britain, an island ** British Isles, an island group ** United Kingdom, a sovereign state ** British Empire, a historical global colonial empire ** Kingdom of Great Britain (1707–1800) ** United Kingdom of Great Britain and Ireland (1801–1922) * British Raj, colonial India under the British Empire * British Hong Kong, colonial ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1812 Births
Events January–March * January 1 – The ''Allgemeines bürgerliches Gesetzbuch'' (the Austrian civil code) enters into force in the Austrian Empire. * January 19 – Peninsular War: The French-held fortress of Ciudad Rodrigo Siege of Ciudad Rodrigo (1812), is stormed by the Anglo-Portuguese Army, under the Arthur Wellesley, 1st Duke of Wellington, Earl of Wellington. * February 7 – The last 1811–12 New Madrid earthquakes, New Madrid earthquake strikes New Madrid, Missouri, with an estimated moment magnitude scale, moment magnitude of over 8. * February 12 – Napoleon authorizes the usage of ''Mesures usuelles'', the basis of the metric system. * February 13 – The first Chilean newspaper ''Aurora de Chile'' deals with political philosophy, and stands in favor of the new national government. * February 27 ** Argentine War of Independence: Manuel Belgrano raises the Flag of Argentina (which he designed) in the city of Rosario, for the first time. ** English poet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1887 Deaths
Events January * January 11 – Louis Pasteur's anti-rabies treatment is defended in the Académie Nationale de Médecine, by Dr. Joseph Grancher. * January 20 ** The United States Senate allows the United States Navy to lease Pearl Harbor as a naval base. ** British emigrant ship ''Kapunda (ship), Kapunda'' sinks after a collision off the coast of Brazil, killing 303 with only 16 survivors. * January 21 ** The Amateur Athletic Union (AAU) is formed in the United States. ** Brisbane receives a one-day rainfall of (a record for any Australian capital city). * January 24 – Battle of Dogali: Ethiopia, Abyssinian troops defeat the Italians. * January 28 ** In a snowstorm at Fort Keogh, Montana, the largest snowflakes on record are reported. They are wide and thick. ** Construction work begins on the foundations of the Eiffel Tower in Paris, France. February * February 2 – The first Groundhog Day is observed in Punxsutawney, Pennsylvania. * February 4 – T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
