Self-Instruction in the Practice and Theory of Navigation

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Accurately speaking, the Bearing of a Heavenly Body, say the Sun, differs at every point of a circle of equal Altitudes but if the Altitude of the Sun is not very near the size of the circle is so great that the Sun...