AND

Projection of the SPHERE,
Made Easy.

TEACHING

The Projection of the Sphere Ortho-
graphick, and Stereographick: As al-
fo, Trigonometry Plain and Spherical;
with plain and intelligible Reafons for
the various and moft ufeful Methods,
both in Projection and Calculation;
with the Application of the whole to
Aftronomy, Dialling, and Geography.

By HENRY WILSON.

LONDON:

Printed by H. P. for J. SENEX, at the Globe
in Salisbury-Court; and W. TAYLOR, at the
Ship in Pater-Nofter Row. MDCCxx.

QA 531 W75

To the Worshipful the MaHist. of fters, Wardens, and AffiBus ftants of the Trinity-houfe 2459% of Deptford-Strand.

9-11-31

2-3-39 Hom.

Tmay be thought Surprifing, if not accounted great Prefumption, to Dedicate fo fmall a Treatife to fo bonourable and useful a Corporation. But my Hopes that this plain, tho concife Piece of Trigonometry, well applied, may at leaft contribute to the qualifying the Studious for some of those Publick Mathematical Services, to A 2 which