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Amplitude, magnetic

Online Sources
Magnetic amplitude is the angular distance of a heavenly body, when on the horizon, from the magnetic east or west point as indicated by a compass.

The difference between the magnetic and the true or astronomical amplitude is commonly called the variation of the compass.

Online Sources
  • Falconer, William, Online edition of William Falconer's Universal Dictionary of the Marine, or, a Copious Explanation of the Technical Terms and Phrases employed in the Construction, ...of a Ship...derived from the text of the London 1780 edition published by Thomas Cadell, 2004 edn, South Seas, http://southseas.nla.gov.au/refs/falc/contents.html. [ Details ]

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Created: 3 March 2004

Published by South Seas, 1 February 2004
Comments, questions, corrections and additions: Paul.Turnbull@jcu.edu.au
Prepared by: Paul Turnbull
Updated: 28 June 2004
To cite this page use: http://nla.gov.au/nla.cs-ss-biogs-P000375

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