Edward Troughton edit
Edward Troughton ( 1753/ 12th of June 1835 ( age 81 )) , was a renowned English instrument builder[1] , most notable for his Groombridge transit circle [2] , having perceived trumendous effort on making and selling instruments dedicated to cataloguing stars ,while making inputs on their position. He is acquainted with being one of the aforemost reviver of the long lost tradition of Tycho Brahe , a Dutch astronomer who had the hasty but efficient talent at building the first transit instruments ( like the well-known mural quadrant ) [3] . The instruments created by Troughton were of extreme accuracy with no precedent in the Past . Stephen Groombridge , his collegue , used his transit circle as a basis for his subsequent studies[4] , at cataloguing well over 4243 circumpolar stars [5] . Although Troughton's repute was not without consequences[6], He nevertheless accumulated such effort in modeling his instruments, that his work was procedingly called by later generations as "the greatest improvement ever made in the art of instrument-making"[7]. Perhaps one of his most important contributions to the Scientific World , was his innocuous method of dividing circles in astronomical units , by what he called "ocular inspection"[8] , which eventually won him a firm place at the Copley Medal award [9].
Life edit
Early Life and Education edit
Born in a relatively poor family, Edward's father , Francis Troughton , had to take the damaging responsibility of being a full-time farmer , while simultaneaously raising six children alongside his wife Mary Stable , the youngest of which was Edward [10] . His elder sibling , John Troughton , a scientific instrument-maker by profession , trained two of his brothers in this very area of study[11]. Following the death of his middle sibling , Edward left his acquainted settlement at Corney , to travel to London , and was accepted as an apprentice to John in 1773[12] . With an inconceivable Cautiousness, Edward started to build a strong mathematical background , and subsequently sold some of his instruments in his on-going buisiness called " The Sign of the Orrery " [13], pre-owned By Benjamin Coles
.jpg)
References edit
- ^ "Troughton, Edward (1753–1835)", Oxford Dictionary of National Biography, Oxford University Press, 2018-02-06, retrieved 2021-01-01
- ^ Science Museum Group Journal (Spring 2020). "The first transit circle at the Royal Observatory, Greenwich".
{{cite journal}}: Cite journal requires|journal=(help) - ^ Encyclopedia Britanicca's Olin Jeuck Eggen (27 May 1999 ( Last updated Dec.10 , 2020 )). "Tycho Brahe | Accomplishments, Biography, & Facts | Britannica".
{{cite web}}: Check date values in:|date=(help)CS1 maint: url-status (link) - ^ Groombridge, Stephen (1755–1832). Oxford Dictionary of National Biography. Oxford University Press. 2017-11-28.
- ^ Stephen Groombridge, ( revised by Sir George Airy ) (1838). "A catalogue of circumpolar stars by Groombridge, Stephen, 1755-1832; Great Britain. Admiralty; Airy, George Biddell, Sir, 1801-1892".
{{cite web}}: line feed character in|title=at position 33 (help)CS1 maint: url-status (link) - ^ Dreyer, J. L. E.; Dreyer, John Louis Emil; Turner, H. H., "1830–1840", History of the Royal Astronomical Society, 1820–1920, Cambridge: Cambridge University Press, pp. 50–81, ISBN 978-1-107-23890-9, retrieved 2021-01-02
- ^ Encyclopedia Britannica, last edited by Richard Pallardy (( Published Feb 11 , 2010 )). "Edward Troughton | English Inventor".
{{cite web}}:|first=has generic name (help); Check date values in:|date=(help)CS1 maint: url-status (link) - ^ Troughton, Edward (1809-09). "XXIV. An account of a method of dividing astronomical and other instruments, by ocular inspection; in which the usual tools for graduating are not employed; the whole operation being so contrived, that no error can occur but what is chargeable to vision, when assisted by the best optical means of viewing and measuring minute quantities". The Philosophical Magazine. 34 (137): 163–177. doi:10.1080/14786440908562944. ISSN 1941-5796.
{{cite journal}}: Check date values in:|date=(help) - ^ "Holders of the Copley medal (1731–2016)", Oxford Dictionary of National Biography, Oxford University Press, 2005-05-26, ISBN 978-0-19-861412-8, retrieved 2021-01-02
- ^ J J O'Connor, E.F Robertson (February 2005 (last update)). "Edward Troughton (1753 - 1835) - Biography".
{{cite web}}: Check date values in:|date=(help)CS1 maint: url-status (link) - ^ McConnell, Anita ((Oxford's Dictionary of National biography , 2004 )). "Biogrophy : Troughton ,Edward".
{{cite web}}: Check date values in:|date=(help)CS1 maint: url-status (link) - ^ Grace's Guide To British Industrial History (Graces's Guide ( 29.Oct 2019 )). "Edward Troughton".
{{cite web}}: Check date values in:|date=(help)CS1 maint: url-status (link) - ^ R S Webster ((N.Y 1970-1990 )). "Troughton , Edward , Complete Dictionary of Scientific Biography" (PDF).
{{cite web}}: Check date values in:|date=(help); horizontal tab character in|title=at position 55 (help)CS1 maint: url-status (link)