Compass (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Compass" in English language version.

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archive.org (Global: 6th place; English: 6th place)

  • Lowrie, William (2007). Fundamentals of Geophysics (2nd ed.). London: Cambridge University Press. pp. 281. ISBN 978-0-521-67596-3. Early in the Han dynasty, between 300 and 200 BC, the Chinese fashioned a rudimentary compass out of lodestone ... This compass may have been used in the search for gems and in the selection of sites for houses ... Their directive power led to the use of compasses for navigation...
  • The Greek term μαγνῆτις λίθος magnētis lithos (see Platonis Opera, Meyer and Zeller, 1839, p. 989) means "Magnesian stone". It is uncertain whether the adjective μαγνῆτις "of Magnesia" should be taken to refer to the city Magnesia ad Sipylum in Lydia (modern-day Manisa, Turkey) or after the Greek region of Magnesia itself (whence came the colonist who founded the Lydian city); see, for example, "Magnet". Language Hat blog. 28 May 2005. Retrieved 22 March 2013. See also: Paul Hewitt, Conceptual Physics. 10th ed. (2006), p. 458.
  • In the section "A Last Word on Dragons" (亂龍篇 Luanlong) of the Lunheng: "Amber takes up straws, and a load-stone attracts needles" (頓牟掇芥,磁石引針).
  • Merrill, Ronald T.; McElhinny, Michael W. (1983). The Earth's magnetic field: Its history, origin and planetary perspective (2nd printing ed.). San Francisco: Academic press. p. 1. ISBN 978-0-12-491242-7.

books.google.com (Global: 3rd place; English: 3rd place)

doi.org (Global: 2nd place; English: 2nd place)

eaavintage.org (Global: low place; English: low place)

eastmarineasia.com (Global: low place; English: low place)

faa.gov (Global: 1,009th place; English: 607th place)

fsu.edu (Global: 2,584th place; English: 1,811th place)

magnet.fsu.edu

  • Brand, Mike; Sharon Neaves; Emily Smith (1995). "Lodestone". Museum of Electricity and Magnetism, Mag Lab U. US National High Magnetic Field Laboratory. Archived from the original on 2009-05-01. Retrieved 2009-06-21.

ghostarchive.org (Global: 32nd place; English: 21st place)

harvard.edu (Global: 18th place; English: 17th place)

ui.adsabs.harvard.edu

jstor.org (Global: 26th place; English: 20th place)

landnavigation.org (Global: low place; English: low place)

languagehat.com (Global: low place; English: low place)

  • The Greek term μαγνῆτις λίθος magnētis lithos (see Platonis Opera, Meyer and Zeller, 1839, p. 989) means "Magnesian stone". It is uncertain whether the adjective μαγνῆτις "of Magnesia" should be taken to refer to the city Magnesia ad Sipylum in Lydia (modern-day Manisa, Turkey) or after the Greek region of Magnesia itself (whence came the colonist who founded the Lydian city); see, for example, "Magnet". Language Hat blog. 28 May 2005. Retrieved 22 March 2013. See also: Paul Hewitt, Conceptual Physics. 10th ed. (2006), p. 458.

learn-orienteering.org (Global: low place; English: low place)

mapworld.co.nz (Global: low place; English: low place)

nemoto.co.jp (Global: low place; English: low place)

  • Nemoto & Co. Ltd., Article Archived 2008-12-05 at the Wayback Machine: In addition to ordinary phosphorescent luminous paint (zinc sulfide), brighter photoluminescent coatings which include radioactive isotopes such as Strontium-90, usually in the form of strontium aluminate, or tritium, which is a radioactive isotope of hydrogen are now being used on modern compasses. Tritium has the advantage that its radiation has such low energy that it cannot penetrate a compass housing.

nga.mil (Global: 2,028th place; English: 1,414th place)

msix.nga.mil

orau.org (Global: 6,716th place; English: 4,475th place)

patents.google.com (Global: 1,182nd place; English: 725th place)

  • Kramer, Melvin G., U.S. patent 4,175,333, Magnetic Compass, Riverton, Wyoming: The Brunton Company, pub. 27 November 1979: The Brunton Pocket Transit, which uses magnetic induction damping, is an exception.

rei.com (Global: low place; English: low place)

semanticscholar.org (Global: 11th place; English: 8th place)

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transnav.eu (Global: low place; English: low place)

web.archive.org (Global: 1st place; English: 1st place)

wikisource.org (Global: 27th place; English: 51st place)

en.wikisource.org

  • The section "Fanying 2" (反應第二) of The Guiguzi: "其察言也,不失若磁石之取鍼,舌之取燔骨".