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The works of Edmund Gunter: : containing the description and use of the sector, cross-staff, bow, quadrant, and other instruments. With a canon of artificial sines and tangents to a radius of 10.00000 parts, and the logarithms from an unite to 10000: The uses whereof are illustrated in the practice of arithmetick, geometry, astronomy, navigation, dialling, and fortification. And some questions in navigation added by Mr. Henry Bond, teacher of mathematicks in Ratcliff, near London. To which is added, the description and use of another sector and quadrant, both of them invented by Mr. Sam. Foster, late professor of astronomy in Gresham Colledge, London, furnished with more lines, and differing from those of Mr. Gunters both in form and manner of working (1673)

Gunter, Edmund, 1581-1626 · London : Printed by A. C.[larke]. for Francis Eglesfield, at the Marigold in St. Paul's Church-yard · leaf 369

An illustration from The works of Edmund Gunter: : containing the description and use of the sector, cross-staff, bow, quadrant, and other instruments. With a canon of artificial sines and tangents to a radius of 10.00000 parts, and the logarithms from an unite to 10000: The uses whereof are illustrated in the practice of arithmetick, geometry, astronomy, navigation, dialling, and fortification. And some questions in navigation added by Mr. Henry Bond, teacher of mathematicks in Ratcliff, near London. To which is added, the description and use of another sector and quadrant, both of them invented by Mr. Sam. Foster, late professor of astronomy in Gresham Colledge, London, furnished with more lines, and differing from those of Mr. Gunters both in form and manner of working, 1673, leaf 369
1 4 * The Defcriptm of the Hour-Urns CHAP.-IIL To draw the Hcnr- lines in a Meridian Plane. A Meridian Plane is that which is parallel to the Meridian Ciifcle in the Fundamental Diagram, reprefented by S Z N ; it hath two Faces, one to the Eaft, and the other to the Weft ; in each of them the Style… … C Z, and an occult Horizontal Line C N, croffing one the other at Right Angles is the Point C, the Equator AC will cut the Vertical with an . Angie

Mathematical instruments · Logarithms · Sundials · Navigation · Booksellers' catalogs -- Great Britain -- 1673 · Imprint 1673

Internet Archive · John Carter Brown Library · Public domain (published before 1931). Free to use for anything.

More pictures from The works of Edmund Gunter: : containing the description and use of the sector, cross-staff, bow, quadrant, and other instruments. With a canon of artificial sines and tangents to a radius of 10.00000 parts, and the logarithms from an unite to 10000: The uses whereof are illustrated in the practice of arithmetick, geometry, astronomy, navigation, dialling, and fortification. And some questions in navigation added by Mr. Henry Bond, teacher of mathematicks in Ratcliff, near London. To which is added, the description and use of another sector and quadrant, both of them invented by Mr. Sam. Foster, late professor of astronomy in Gresham Colledge, London, furnished with more lines, and differing from those of Mr. Gunters both in form and manner of working

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