The manner of finding of the true sum of the infinite secants of an arch, by an infinite series : 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 /

Bibliographic Details

Main Author:	Norris, Richard, mariner
Format:	eBook
Language:	English
Published:	London : Printed by Tho. James for the author, 1685.
Series:	Early English books online.
Subjects:	Spherical trigonometry. Spherical projection.
Online Access:	Connect to the full text of this electronic book