Marching line: Difference between revisions
Jump to navigation
Jump to search
m (1 revision(s)) |
m (Robot: Automated text replacement (-\[\[(Coordinate)\]\] +\1)) |
||
| (17 intermediate revisions by 3 users not shown) | |||
| Line 1: | Line 1: | ||
{{ | {{ThisPageWasImported}} | ||
[[Image:Liquid filled compass.jpg|thumb|250px|A liquid filled compass.]] | [[Image:Liquid filled compass.jpg|thumb|250px|A liquid filled compass.]] | ||
'''Marching lines''' are a pair of lines drawn on the glass of a [[compass]], and arranged at 45 degrees to each other. These are an essential component in hiking through the wilderness. Most modern compasses have adjustable luminous marching lines. | '''Marching lines''' are a pair of lines drawn on the glass of a [[compass]], and arranged at 45 degrees to each other. These are an essential component in hiking through the wilderness. Most modern compasses have adjustable luminous marching lines. | ||
==See also== | == See also == | ||
* | *Azimuth | ||
* | *Beam compass | ||
* | *coordinates | ||
* | *fluxgate compass | ||
* | *gyrocompass | ||
* | *Gyrosin compass | ||
* | *gyrostatic compass | ||
* | *inertial navigation system | ||
*[[pelorus (instrument)|pelorus]] | *[[pelorus (instrument)|pelorus]] | ||
* | *radio compass | ||
* | *radio direction finder | ||
* | *surveyor's compass, or circumferentor | ||
== External links, resources, and references == | |||
* [http://geomag.usgs.gov USGS Geomagnetism Program] | * [http://geomag.usgs.gov USGS Geomagnetism Program] | ||
* [[Amir Aczel]], ''The Riddle of the Compass: The Invention that Changed the World'', ISBN 0-15-600753-3 | * [[Amir Aczel]], ''The Riddle of the Compass: The Invention that Changed the World'', ISBN 0-15-600753-3 | ||
* Joseph Needham, Colin A. Ronan: The Shorter Science & Civilisation in China Vol 3 Chapter 1 Magnetism and Electricity. | * Joseph Needham, Colin A. Ronan: The Shorter Science & Civilisation in China Vol 3 Chapter 1 Magnetism and Electricity. | ||
* Science Friday, "''[http://www.sciencefriday.com/pages/2002/May/hour2_053102.html The Riddle of the Compass]''" (interview with Amir Aczel, first broadcast on | * Science Friday, "''[http://www.sciencefriday.com/pages/2002/May/hour2_053102.html The Riddle of the Compass]''" (interview with Amir Aczel, first broadcast on NPR on [[May 31]], [[2002]]). | ||
* Paul J. Gans, [http://scholar.chem.nyu.edu/tekpages/compass.html The Medieval Technology Pages: Compass] | * Paul J. Gans, [http://scholar.chem.nyu.edu/tekpages/compass.html The Medieval Technology Pages: Compass] | ||
* Frederic Lane, "The Economic Meaning of the Invention of the Compass", ''American Historical | * Frederic Lane, "The Economic Meaning of the Invention of the Compass", ''American Historical Review'', vol. 68, pp. 605-617 (1963) | ||
* The Tides By Sir William Thomson ( | * The Tides By Sir William Thomson (Lord Kelvin) | ||
* Evening Lecture To The British Association At The Southampton Meeting on Friday, August 25, 1882 [http://zapatopi.net/kelvin/papers/the_tides.html]. Refers to compass correction by | * Evening Lecture To The British Association At The Southampton Meeting on Friday, August 25, 1882 [http://zapatopi.net/kelvin/papers/the_tides.html]. Refers to compass correction by Fourier series. | ||
* http://en.wikipedia.org/wiki/Image:Liquid_filled_compass.jpg | * http://en.wikipedia.org/wiki/Image:Liquid_filled_compass.jpg | ||
* Admiralty manual of navigation, Chapter XXV The Magnetic Compass (continued) the analysis and correction of the deviation, His Majesty's Stationary Office, London, 1914. | * Admiralty manual of navigation, Chapter XXV The Magnetic Compass (continued) the analysis and correction of the deviation, His Majesty's Stationary Office, London, 1914. | ||
* Arrick Robots. | * Arrick Robots. Robotics.com Example implementation for digital solid-state compass. ''[http://www.robotics.com/arobot/compass.html ARobot Digital Compass App Note]'' | ||
* Williams, J.E.D. ''From Sails to Satellites''. New York: Oxford University Press, 1992. | * Williams, J.E.D. ''From Sails to Satellites''. New York: Oxford University Press, 1992. | ||
* Frances and Joseph Gies, Cathedral, Forge, and Waterwheel subtitled "Technology and Invention in the Middle Ages". | * Frances and Joseph Gies, Cathedral, Forge, and Waterwheel subtitled "Technology and Invention in the Middle Ages". | ||
* | * Petra G. Schmidl ''[http://www.uib.no/jais/v001ht/schmidl1.htm Two Early Arabic Sources on the Magnetic Compass]'' | ||
((stub)) | ((stub)) | ||
[[Category:Hiking equipment]] | [[Category:Hiking equipment]] | ||
[[Category:Orientation]] | [[Category:Orientation]] | ||
Latest revision as of 20:07, 17 January 2010
Marching lines are a pair of lines drawn on the glass of a compass, and arranged at 45 degrees to each other. These are an essential component in hiking through the wilderness. Most modern compasses have adjustable luminous marching lines.
See also
- Azimuth
- Beam compass
- coordinates
- fluxgate compass
- gyrocompass
- Gyrosin compass
- gyrostatic compass
- inertial navigation system
- pelorus
- radio compass
- radio direction finder
- surveyor's compass, or circumferentor
External links, resources, and references
- USGS Geomagnetism Program
- Amir Aczel, The Riddle of the Compass: The Invention that Changed the World, ISBN 0-15-600753-3
- Joseph Needham, Colin A. Ronan: The Shorter Science & Civilisation in China Vol 3 Chapter 1 Magnetism and Electricity.
- Science Friday, "The Riddle of the Compass" (interview with Amir Aczel, first broadcast on NPR on May 31, 2002).
- Paul J. Gans, The Medieval Technology Pages: Compass
- Frederic Lane, "The Economic Meaning of the Invention of the Compass", American Historical Review, vol. 68, pp. 605-617 (1963)
- The Tides By Sir William Thomson (Lord Kelvin)
- Evening Lecture To The British Association At The Southampton Meeting on Friday, August 25, 1882 [1]. Refers to compass correction by Fourier series.
- http://en.wikipedia.org/wiki/Image:Liquid_filled_compass.jpg
- Admiralty manual of navigation, Chapter XXV The Magnetic Compass (continued) the analysis and correction of the deviation, His Majesty's Stationary Office, London, 1914.
- Arrick Robots. Robotics.com Example implementation for digital solid-state compass. ARobot Digital Compass App Note
- Williams, J.E.D. From Sails to Satellites. New York: Oxford University Press, 1992.
- Frances and Joseph Gies, Cathedral, Forge, and Waterwheel subtitled "Technology and Invention in the Middle Ages".
- Petra G. Schmidl Two Early Arabic Sources on the Magnetic Compass
((stub))