John Farey Jr.
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John Farey Jr.
John Farey Jr. (20 March 1791 – 17 July 1851) was an English mechanical engineering, mechanical engineer, Engineering consulting, consulting engineer and patent attorney, known for his pioneering contributions in the field of mechanical engineering.Alec Skempton.Farey, Jr., John" in: ''A Biographical Dictionary of Civil Engineers in Great Britain and Ireland: 1500–1830.'' 2002. p. 223-224 As consulting engineer Farey worked for many well-known inventors of the later Industrial Revolution, and was a witness to a number of parliamentary enquiries, inquests and court cases, and on occasion acted as an arbitrator. He was polymathic in his interests and contributed text and drawings to a number of periodicals and encyclopedia, encyclopaedias. Farey is also remembered as the first English inventor of the Trammel of Archimedes, ellipsograph, an instrument used by draughtsmen to inscribe ellipses. Biography Youth and education Born 20 March 1791, in Lambeth, Farey was the eldest ...
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Daguerreotype
Daguerreotype was the first publicly available photography, photographic process, widely used during the 1840s and 1850s. "Daguerreotype" also refers to an image created through this process. Invented by Louis Daguerre and introduced worldwide in 1839, the daguerreotype was almost completely superseded by 1856 with new, less expensive processes, such as ambrotype (collodion process), that yield more readily viewable images. There has been a revival of the daguerreotype since the late 20th century by a small number of photographers interested in making artistic use of early photographic processes. To make the image, a daguerreotypist polished a sheet of Plating#Silver plating, silver-plated copper to a mirror finish; treated it with fumes that made its surface light-sensitive; exposure (photography), exposed it in a camera obscura, camera for as long as was judged to be necessary, which could be as little as a few seconds for brightly sunlit subjects or much longer with less ...
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William Nicholson (chemist)
William Nicholson (13 December 175321 May 1815) was an English writer, translator, publisher, scientist, inventor, patent agent and civil engineer. He launched the first monthly scientific journal in Britain, ''Journal of Natural Philosophy, Chemistry, and the Arts'', in 1797, and remained its editor until 1814. In 1800, he and Anthony Carlisle were the first to achieve electrolysis, the splitting of water into hydrogen and oxygen, using a voltaic pile. Nicholson also wrote extensively on natural philosophy and chemistry. Early life Nicholson was educated in Yorkshire, and after leaving school, he made two voyages as a midshipman in the service of the British East India Company. His first voyage was to India and the second voyage was to China on board the ''Gatton,'' (1772-1773). Subsequently, having become acquainted with Josiah Wedgwood in 1775, he moved to Amsterdam, where he made a living for a few years as Wedgwood's agent. On his return to England he was persuaded by T ...
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Instrument For Making Perspective Drawings, 1814
Instrument may refer to: Science and technology * Flight instruments, the devices used to measure the speed, altitude, and pertinent flight angles of various kinds of aircraft * Laboratory equipment, the measuring tools used in a scientific laboratory, often electronic in nature * Mathematical instrument, devices used in geometric construction or measurements in astronomy, surveying and navigation * Measuring instrument, a device used to measure or compare physical properties * Medical instrument, a device used to diagnose or treat diseases * Optical instrument, relies on the properties of light * Quantum instrument, a mathematical object in quantum theory combining the concepts of measurement and quantum operation * Scientific instrument, a device used to collect scientific data * Surgical instrument * Vehicle instrument, a device measuring parameters of a vehicle, such as its speed or position * Weather instrument, a device used to record aspects of the weather Music * Musical ...
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