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Gunter, Edmund, 1581-1626
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Navigation: an astrolabe, a cross-staff, and a back-staff or Davis's sextant. Drawing after Edmund Gunter, 1624.
Gunter, Edmund, 1581-1626.Reference: 46655i- Books
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The description and use of a portable instrument, vlugarly [sic] known by the name of Gunters quadrant : by which is perform'd most propositions in astronomy, as the altitude, azimuth, right ascention, and declination of the sun, &c. : also his rising, and setting and amplitude, together with the hour of the day or night, and other condusions exemplified at large : to which is added the use of Nepiars bones in multiplication, division, and extraction of roots, also the the nocturnal, the ring dial, and Gunters-line, in many necessary and delightful conclusions, fitted to the understanding of the meanest capacity : collected and digested into this portable volumn, for the use of young practitioners / by a true lover of the mathematicks.
Gunter, Edmund, 1581-1626Date: 1685
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The description and use of ... Gunter's quadrant ... To which is added, the use of Nepiar's [sic] bones in multiplication, division, and extraction of roots ... / [William Leybourn].
Leybourn, William, 1626-1716Date: 1731-1732
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Navigation: a cross-staff or cross-bow, and a sailor using the device. Drawing after Edmund Gunter, 1624.
Gunter, Edmund, 1581-1626.Reference: 46656i- Books
Sciographia, or the art of shadowes. Plainly demonstrating, out of the sphere, how to project both great and small circles, upon any plane whatsoever: with a new conceit of reflecting the sunne beames upon a diall ... All performed, by the doctrine of triangles ... by the helpe of the late invented ... numbers, called by the first inventor [Edmund Gunter] Logarithmes / By J.W.
Wells, John, of Brembridge in Hampshire, active 1635.Date: 1635