01854nam 2200385Ia 450 99638611870331620200824132820.0(CKB)4940000000080151(EEBO)2240852786(OCoLC)ocm13117453e(OCoLC)13117453(EXLCZ)99494000000008015119860207d1662 uy |engurbn||||a|bb|The triangular quadrant, or, The quadrant on a sector[electronic resource] 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 /first thus contrived and made by John Brown ..[London] To be sold at [his, i.e. Brown's] house, or at Hen. Sutton's ...1662[2], 24, [1] p. illAdded illustrated t.p.Place of publication suggested by Wing.Reproduction of original in the British Library.eebo-0018QuadrantDialingMathematical instrumentsQuadrant.Dialing.Mathematical instruments.Brown Johnphilomath.396957EAGWaOLNBOOK996386118703316The triangular quadrant, or, The quadrant on a sector2320028UNISA