Page:On the Magnet - Gilbert (1900 translation of 1600 work).djvu/22

Chap. 4.	Concerning the length of a versorium convenient for declination on a terrella.
Chap. 5.	That declination does not arise from the attraction of the loadstone, but from a disposing and rotating influence.
Chap. 6.	On the proportion of declination to latitude, and the cause of it.
Chap. 7.	Explanation of the diagram of the rotation of a magnetick needle.
Chap. 8.	Diagram of the rotation of a magnetick needle, indicating magnetical declination in all latitudes, and from the rotation and declination, the latitude itself.
Chap. 9.	Demonstration of direction, or of variation from the true direction, at the same time with declination, by means of only a single motion in water, due to the disposing and rotating virtue.
Chap. 10.	On the variation of the declination.
Chap. 11.	On the essential magnetick activity sphærically effused.
Chap. 12.	Magnetick force is animate, or imitates life; and in many things surpasses human life, while this is bound up in the organick body.
Book 6.
Chap. 1.	On the globe of the earth, the great magnet.
Chap. 2.	The Magnetick axis of the Earth persists invariable.
Chap. 3.	On the magnetick diurnal revolution of the Earth's globe, as a probable assertion against the time-honoured opinion of a Primum Mobile.
Chap. 4.	That the Earth moves circularly.
Chap. 5.	Arguments of those denying the Earth's motion, and their confutation.
Chap. 6.	On the cause of the definite time of an entire rotation of the Earth.
Chap. 7.	On the primary magnetick nature of the Earth, whereby its poles are parted from the poles of the Ecliptick.
Chap. 8.	On the Præcession of the Æquinoxes, from the magnetick motion of the poles of the Earth, in the Arctick & Antarctick circle of the Zodiack.
Chap. 9.	On the anomaly of the Præcession of the Æquinoxes, & of the obliquity of the Zodiack.

 

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