# Trigonometrie or the doctrine of triangles : divided into two books, the first shewing the mensuration of right lined triangles, the second of spherical with the grounds and demonstrations thereof : performed by that late and excelent invention of logarithms... : whereunto is annexed (chiefly for the use of seamen) a treatise of the application thereof in the three principal kinds of sailing : with exact tables of sun declination newly calculated...also other necesary tables used in navigation

## Trigonometrie or the doctrine of triangles : divided into two books, the first shewing the mensuration of right lined triangles, the second of spherical with the grounds and demonstrations thereof : performed by that late and excelent invention of logarithms... : whereunto is annexed (chiefly for the use of seamen) a treatise of the application thereof in the three principal kinds of sailing : with exact tables of sun declination newly calculated...also other necesary tables used in navigation / by Richard Norwood.

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