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Declination and Direction

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Declination
Chapter 1
Declination →
 Declination
Chapter 1
Declination →
 An indicatory instrument, showing the degrees of declination from the horizon
Chapter 3
An indicatory instrument, showing the degrees of declination from the horizon →
 The length of a versorium convenient for declination on a terrella
Chapter 4
The length of a versorium convenient for declination on a terrella →
 The proportion of declination to latitude[236], and the cause of it
Chapter 6
The proportion of declination to latitude[236], and the cause of it →
 Diagram of the rotation of a magnetick needle
Chapter 8
Diagram of the rotation of a magnetick needle →
 Demonstration of direction, or of variation from the true direction with declination
Chapter 9
Demonstration of direction, or of variation from the true direction with declination →
 The essential magnetick activity sphærically effused
Chapter 11
The essential magnetick activity sphærically effused →
 Magnetick force is animate, or imitates life
Chapter 12
Magnetick force is animate, or imitates life →
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