Ornament Details
123500110001570_0
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The seaman's daily assistant: being a short, easy, and plain method of keeping a journal at sea. In which are contained Rules Shewing How the Allowances for Leeway, Variation, Heave of the Sea, Set of Currents, &c. are to be made, and to correct the Dead-Reckoning by an Observation, in all Cases: And also all the Tables that are any Ways necessary for the Seaman's Use in keeping a Journal. By Thomas Haselden, Late Teacher of the Mathematics in the Royal Navy.
printed for J. Mount and T. Page, on Tower-Hill
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