The triangular quadrant, or, The quadrant on a sector
Subtitle: 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: first thus contrived and made by John Brown ...
Series: Early English books, 1641-1700 -- 1545:11.
Publisher: To be sold at [his, i.e. Brown's] house, or at Hen. Sutton's ...
Published: 1662
Place of publication: [London]
Language: eng
Format: Microform
Number of pages: 24
Subjects: Quadrants (Astronomical instruments); Dialing.; Mathematical instruments.
Other titles: Triangular quadrant; Quadrant on a sector; Triangular quadrant.; Quadrant on a sector.
Notes: Added illustrated t.p.

Place of publication suggested by Wing.

Reproduction of original in the British Library.

Wing B5043

Available electronically as part of Early English books online.

Microfilm. Ann Arbor, Mich. : University Microfilms International, 1984. 1 microfilm reel ; 35 mm. (Early English books, 1641-1700 ; 1545:11)