The Doctrine of Plain and Spherical TRIANGLES, is Succinctly Handled, Geometrically Demonftrated, Arithmetically, Geometrically, Inftrumentally Performed Printed for Rob. Billing, at the White Swan in St. Paul's Church-Yard and Go, Briant at the King's Head near the Royal-Exubing. in Cornhil. MDCCIV. |