Trigonometry improv'd, and projection of the sphere, made easy.
Teaching the projection of the sphere orthographick, and stereographick: as also, trigonometry plain and spherical; with plain and intelligible reasons for the various and most useful methods, both in projection and calculation; with the application of the whole to astronomy, dialling, and geography.
By Henry Wilson.

APA Citation

Wilson, H. (1720). Trigonometry improv'd, and projection of the sphere, made easy: Teaching the projection of the sphere orthographick, and stereographick: as also, trigonometry plain and spherical; with plain and intelligible reasons for the various and most useful methods, both in projection and calculation; with the application of the whole to astronomy, dialling, and geography. London: Printed by H.P. for J. Senex [etc.].

MLA Citation

Wilson, Henry. Trigonometry Improv'd, And Projection of the Sphere, Made Easy: Teaching the Projection of the Sphere Orthographick, And Stereographick: As Also, Trigonometry Plain And Spherical; With Plain And Intelligible Reasons for the Various And Most Useful Methods, Both In Projection And Calculation; With the Application of the Whole to Astronomy, Dialling, And Geography. London: Printed by H.P. for J. Senex [etc.], 1720.