Trigonometrie. Or, The doctrine of triangles [microform] : divided into two bookes: the first shewing the mensuration of right lined triangles: the second of sphericall: with the grounds and demonstrations thereof. Both performed by that late and excellent invention of logarithmes, after a more easie and compendious manner, than hath beene formerly taught. Whereunto is annexed (chiefly for the use of seamen,) a treatise of the application thereof in the three principall kindes of sailing. With certaine necessary tables used in navigation. By Richard Norvvood, reader of the mathematicks in London.

Norwood, Richard, 1590?-1675.
Other Title:
Doctrine of triangles.
Triangular canon logarithmicall.
London : Printed by William Iones, 1631.
Early English books, 1475-1640 ; 967:25.
[8], 39, [1], 129, [187] p. : ill. (woodcuts)
Navigation -- Early works to 1800.
Trigonometry -- Early works to 1800.
Signatures: A-H4 (+-H3) I-Z4 &4 "[*]"2 chi2 2A-2I4 a-l4 m2 . "[*]"1v contains errata; "[*]"2 is blank; chi1 is divisional title to "Ten chiliades"; chi2 contains errata. Variant: signatures A-Z4 &4 chi2 2A-2I4 a-l4 m2 ; quires R-& are in an earlier setting; errata on &4v.
A divisional title for "Ten chiliades" precedes quire 2A; "A triangular canon logarithmicall" has separate divisional title and register.
H3 is a cancel.
Reproduction of the original in the Henry E. Huntington Library and Art Gallery.
Microfilm. Ann Arbor, Mich. : UMI, 1963. 1 microfilm reel ; 35 mm. (Early English books, 1475-1640; 967:25). s1963 miun a
Cited in:
STC (2nd ed.) 18692.
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