The description and use of a joynt-rule: fitted with lines for the finding the hour of the day and azimuth of the sun, to any particular latitude, or, to apply the same generally to any latitude : together with all the uses of Gunters quadrant applyed thereunto ... /

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• The description and use of a joynt-rule : fitted with lines for the finding the hour of the day and azimuth of the sun, to any particular latitude, or, to apply the same generally to any latitude : together with all the uses of Gunters quadrant applyed thereunto ... /
  by: Brown, John (Philomath)
  Published: (1661)
• The triangular quadrant, or, The quadrant on a sector: being a general instrument for land or sea observations : performing all the uses of the ordinary sea instruments, as Davis quadrant, forestaff, crosstaff, bow, with more ease, profitableness, and conveniency, and as much exactness as any or all of them : moreover, it may be made a particular and a general quadrant for all latitudes, and have the sector lines also : to which is added a rectifying table to find the suns true declination to a minute or two, any day or hour of the 4 years : whereby to find the latitude of a place by meridian, or any two other altitudes of the sun or stars /
  by: Brown, John (Philomath)
  Published: (1984)
• The triangular quadrant, or, The quadrant on a sector : being a general instrument for land or sea observations : performing all the uses of the ordinary sea instruments, as Davis quadrant, forestaff, crosstaff, bow, with more ease, profitableness, and conveniency, and as much exactness as any or all of them : moreover, it may be made a particular and a general quadrant for all latitudes, and have the sector lines also : to which is added a rectifying table to find the suns true declination to a minute or two, any day or hour of the 4 years : whereby to find the latitude of a place by meridian, or any two other altitudes of the sun or stars /
  by: Brown, John (Philomath)
  Published: (1662)
• A new quadrant, of more naturall, easie, and manifold performance, than any other heretofore extant: framed according to the horizontall projection of the sphere, with the uses thereof /
  by: Brookes, Christopher, active 1649-1651
  Published: (1978)
• The description and use of the trianguler quadrant : being a particular and general instrument, useful at land or sea, both for observation and operation : more universally useful, portable and convenient, than any other yet discovered, with its uses in arithmetick, geometry, superficial and solid, astronomy, dyalling, three wayes, gaging, navigation, in a method not before used /
  by: Brown, John (Philomath)
  Published: (1671)