01492nam 2200373Ia 450 99638797440331620200824132400.0(CKB)4940000000085091(EEBO)2240904651(OCoLC)ocm31355435e(OCoLC)31355435(EXLCZ)99494000000008509119941025d1685 uy |engurbn||||a|bb|The manner of finding of the true sum of the infinite secants of an arch, by an infinite series[electronic resource] which being found and compared with the sum of the secants found, by adding of the secants of whole minutes ... do plainly demonstrate that Mr. Edward Wright's nautical planisphere is not a true projection of the sphere /by Richard Norris, marinerLondon Printed by Tho. James for the author168512 p., [1] folded plate illCaption title.Imprint from colophon.Reproduction of original in the British Library.eebo-0018Spherical trigonometrySpherical projectionSpherical trigonometry.Spherical projection.Norris Richardmariner.1011320EAHEAHWaOLNBOOK996387974403316The manner of finding of the true sum of the infinite secants of an arch, by an infinite series2358211UNISA