Ornament Details
095200020000060_1
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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 lee-way, 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 by the executors of David Hay, assignee of the late Boulter Grierson, Printer to the King's most Excellent Majesty
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