Speculum nauticum A looking-glasse for sea-men. Wherein they may behold, how by a small instrument, called the plain-scale, all nautical questions, and astronomical propositions, are very easily and demonstratively performed. First set down by John Aspley, student in physick, and practitioner of the mathematicks in London. The sixth edition. Whereunto are added, many new propositions in navigation and astronomy, and also a third book, shewing a new way of dialling. By H.P. and W.L.
printed by W. Leybourn, for George Harlock, and are to be sold at his shop at Magnus Church-Corner, in Thames Street, near London-Bridge,
|Series:||Early English books online.
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