The newe attractiue Containyng a short discourse of the magnes or lodestone, and amongest other his vertues, of a newe discouered secret and subtill propertie, concerning the declinyng of the needle, touched therewith under the plaine of the horizon. Now first founde out by Robert Norman hydrographer. Heerevnto are annexed certaine necessarie rules for the art of nauigation by the same R.N.
- Title
- The newe attractiue Containyng a short discourse of the magnes or lodestone, and amongest other his vertues, of a newe discouered secret and subtill propertie, concerning the declinyng of the needle, touched therewith under the plaine of the horizon. Now first founde out by Robert Norman hydrographer. Heerevnto are annexed certaine necessarie rules for the art of nauigation by the same R.N.
- Author
- Norman, Robert, fl. 1590.
- Publication
- Imprinted at London :: By Ihon Kyngston for Richard Ballard,
- 1581.
- Rights/Permissions
-
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- Subject terms
- Geomagnetism -- Early works to 1800.
- Nautical astronomy -- Early works to 1800.
- Compass -- Early works to 1800.
- Link to this Item
-
https://name.umdl.umich.edu/A68509.0001.001
- Cite this Item
-
"The newe attractiue Containyng a short discourse of the magnes or lodestone, and amongest other his vertues, of a newe discouered secret and subtill propertie, concerning the declinyng of the needle, touched therewith under the plaine of the horizon. Now first founde out by Robert Norman hydrographer. Heerevnto are annexed certaine necessarie rules for the art of nauigation by the same R.N." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A68509.0001.001. University of Michigan Library Digital Collections. Accessed May 15, 2025.
Contents
- title page
-
To the Trauelers, Seamen, and
Mariners of Englande. -
A Table of the Chapters
con∣tayned in the treatis. -
¶ Of the Variation of the Cum∣pasor Magneticall Needle. - ¶ The maner how to vse the Instrument of Variation. ¶
- ¶ How to finde the variation of the Needle or Cumpas at any place, the eleuation of the Pole, and situation of the meridian vnknowne.
- ¶ The eleuation of the Pole and place of the Sunne giuen how vppon the Globe, to finde the variation of the Needle by any one obseruation, either in fornoone or afternoone.
- ¶ How to finde the variation by Arithmeticall calcula∣tion vpon any one obseruation in the fornoone or afternoone, the Latitude of the place, and declina∣tion of the Sunne beyng giuen.
- ¶ An other way most generall, how to finde the Vari∣ation by one obseruation either in the fornoone or afternoone, the eleuation of the Pole and declina∣tion of the Sunne beyng giuen.
- ¶To finde the eleuation of the Pole, Situation of the meridian, and Variatiō of the Needle at any place by the Sunne, vpon twoo obseruations either in forenoone or afternoone.
- Of the Pole of the Magnes.
- ¶ Of the poinct Respectiue.
-
¶ Of the inconueniences and defects in sayling, and in description of Countries, caused by the Variation of the Cumpas.
¶ The tenth Chapter. - ¶ Of the Instruments and rules of Nauigation.
-
¶ Of the application of the Variation to the vse of Na∣uigation.
¶ The twelfth Chapter. -
¶ A new Instrument for the Variation. - colophon