The manner of finding of the true sum of the infinite secants of an arch, by an infinite series
Subtitle: 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: by Richard Norris, mariner
Series: Early English books online
Publisher: Printed by Tho. James for the author
Published: 1685
Place of publication: London
Language: eng
Number of pages: 12
Subjects: Spherical trigonometry; Spherical projection
Notes: Caption title.

Imprint from colophon.

Wing (2nd ed.) N1276A