Navigation Improv'd, Being Chiefly the Method for Finding the Latitude, at Sea as Well as by Land, by Taking Any Proper Altitudes, Together with the ... Rule, and the Means How to Ref - Hardcover

Inhaltsangabe

Excerpt from Navigation Improv'd, Being Chiefly the Method for Finding the Latitude, at Sea as Well as by Land, by Taking Any Proper Altitudes, Together With the Time Between the Observations: The Whole Made Easy by a New Trigonometrical Rule, and the Means How to Refresh the Air in the Hold of a Ship or of a Man of War, and How to Measure the Number of Waves, That Pass Under a Ship During Any Given Time

IV._ Then, for the two Values of Ps, find in the fame Triangles P s Z their Angles s P Z.

V. Then, for the two Values of Ps, find, in the Tri angles Psq, the two Values of Pq.

VI. Then ih-the fame Triangles P sq find the two Va lues of the two Angles q. And fo you will have the two Angles q P Z likewife.

VII Then, in the two Triangles qpb, find the two Values of 'q B.

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