G.W. Blunt White Library
New and Complete Epitome of Practical Navigation - Norie, J. W.
Of Finding the Longitude by Observation - Method of Taking a Lunar Observaton - To Find the Apparent Time by an Altitude of the Sun - To Find the Apparent Time by an Altitude of a Star - To Find the Error of a Watch by Equal Altitudes of the Sun
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* Funding for digitization provided by: The Andrew W. Mellon Foundation