The description and use of a new much-improved sinical quadrant, whereby, a person ... may learn, in six hours, to allow for variation and lee-way, Also, determine the longitude at sea

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Format: Paperback
Pages: 42
Publisher: Gale ECCO, Print Editions
Published: 16 Jun 2010
ISBN 10: 1170997686
ISBN 13: 9781170997680