instrument for measuring moment when an object passes a meridian

Phrontistery dictionary. 2013.

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  • Dipleidoscope — Di*plei do*scope, n. [Gr. ? double + ? image + scope.] (Astron.) An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass disposed in the form of a prism, so that, by the reflections of the sun s rays… …   The Collaborative International Dictionary of English

  • dipleidoscope — /di plīˈdə skōp/ noun An instrument for ascertaining the moment of meridian passage by observing the coincidence of two images ORIGIN: Gr diploos double, eidos appearance, and skopeein to view …   Useful english dictionary

  • Dipleidoscope — A dipleidoscope is an instrument used to determine true noon. It consists of a small telescope and a prism that creates a double image of the sun. When the two images overlap, it is local true noon. The instrument is capable of determining true… …   Wikipedia

  • Noon — For other uses, see Noon (disambiguation). Midday redirects here. For other uses, see Midday (disambiguation). Noon time redirects here. For the song by Zion I, see Heroes in the City of Dope. Noon (also mid day or noon time) is usually defined… …   Wikipedia

  • Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… …   Wikipedia

  • Giovanni Battista Amici — (March 25, 1786 April 10 1863) was an Italian astronomer and microscopist.Amici was born in Modena, Italy. After studying at Bologna, he became professor of mathematics at Modena, and in 1831 was appointed inspector general of studies in the… …   Wikipedia

  • Dipleidoskōp — (griech., »Doppelbildseher«), astronomisches Instrument, 1844 von Dent erfunden, ein gleichseitiges Prisma aus drei planparallelen Glasplatten, das vor dem Objektiv eines Fernrohrs so befestigt wird, daß die eine Seitenfläche in der Meridianebene …   Meyers Großes Konversations-Lexikon

  • Dipleidoskop — Dipleidoskop, ein von dem englischen Uhrmacher Dent (nach den Angaben von Bloxam) konstruiertes, von Plößl in Wien verbessertes Instrument zur Zeitbestimmung durch Feststellung des Augenblicks des Meridiandurchgangs der Sonne oder eines andern… …   Lexikon der gesamten Technik

  • Scientific Instruments — Have you ever been in the middle of a class lecture, medical examination or episode of Star Trek only to realise suddenly that you have no clue what all those gizmos, gadgets and other scientific instruments actually do? If so, your problems are… …   Phrontistery dictionary

  • scientific instruments — See panel   ▬▬▬▬▬▬▬▬ Types of scientific instrument include: absorptiometer barostat cathode ray oscilloscope centrifuge chronograph coherer collimator cryostat decoherer dephlegmator dipleidoscope electromyograph electrosonde eudiometer… …   Useful english dictionary

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