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The Whys and Wherefores of Navigation/Chapter III

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Chapter II: Nautical Astronomy
The Whys and Wherefores of Navigation
by Gershom Bradford II
Chapter II: Declination and Right Ascension, Including Precession
Chapter IV: Time
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76888The Whys and Wherefores of Navigation — Chapter II: Declination and Right Ascension, Including PrecessionGershom Bradford II
Fig I. This diagram shows the successive positions of the earth for the Vernal Equinox (March 21st) due to the revolution of the axis and the consequent westward movement of the First Point of Aries.
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